0001193125-26-051278 | 10-K | XBRL Viewer

Balance as of December 31, 2024

Payments and other adjustments

Balance as of December 31, 2025

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Income Taxes - Loss before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]
Domestic	$ (70,397)	$ (116,693)	$ (158,095)
Foreign	(10,538)	(10,792)	(14,179)
Loss before provision for income taxes	$ (80,935)	$ (127,485)	$ (172,274)

Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2025

Revenue from Contract with Customer [Abstract]

Summary of Revenue by Source

Revenue by source consisted of the following (in thousands):


	Years Ended December 31,
	2025		2024		2023
Consoles	$	30,733	$	29,832	$	61,331
Consumables		54,075		51,145		42,206
Total product revenue		84,808		80,977		103,537
Service and other revenue		34,668		32,712		26,839
Total revenue	$	119,476	$	113,689	$	130,376

Cybersecurity Risk Management, Strategy, and Governance	12 Months Ended
Cybersecurity Risk Management, Strategy, and Governance	Dec. 31, 2025
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]	Item 1C. Cybersecurity At Outset, we strive to protect the confidentiality, integrity and availability of the data entrusted to us. We continue to invest in our cybersecurity program in an effort to enhance our ability to prevent, detect, contain, and mitigate cybersecurity threats. Risk Oversight Oversight of our information security program, including oversight of risks related to cybersecurity threats and the assessment and management of such risks, is accomplished through a governance structure which includes our Board, Audit Committee, and executive management. BOARD AND AUDIT COMMITTEE OVERSIGHT One of the key functions of our Board is informed oversight of our risk management process. Our Board focuses on the overall risks affecting us and delegates responsibility for oversight of certain specific risks to its standing committees. For significant risks related to cybersecurity, the Board has delegated oversight responsibility to the Audit Committee. Our Audit Committee is responsible for overseeing our major financial, legal, and regulatory risk exposures, which span a variety of areas, including cybersecurity. Our full Board and Audit Committee are kept informed about significant risks related to cybersecurity, including enterprise-level risks from cybersecurity threats. The Board receives written updates, generally on a quarterly basis, regarding the status of our information security program. In addition, the Audit Committee receives in-person updates on our information security programs on at least an annual basis. These updates generally cover topics such as our cybersecurity strategy, the threat landscape, key cybersecurity risk areas facing the organization, any key findings of audits and testing, the status of key initiatives, as well as a review of any major incidents. MANAGEMENT Executive management plays a significant role in assessing and managing material risks from cybersecurity threats. Our VP of Information Technology manages our information security program. Executive leadership Our VP of Information Technology periodically presents information about the Company’s information security program, including program goals and strategy, and progress against key initiatives and key risks, to our executive leadership team. As described above, significant risks related to cybersecurity are escalated to the Audit Committee and/or the full Board as appropriate. Cross-functional engagement We maintain an integrated cybersecurity program that involves collaboration across key functions, including information technology (IT), software engineering, regulatory, legal, privacy, finance, and operations. This cross-functional approach supports alignment with regulatory requirements and proactive risk management, and representatives of these functions meet regularly to review our cybersecurity posture, evolving threats, and related action plans. Governance of information security risks We have also established a risk governance committee, which generally meets on a quarterly basis. This committee, which is sponsored by our VP of Information Technology, is comprised of our information security advisor and Company leaders from IT, legal, privacy, finance, operations, and other functions, who have experience in managing cybersecurity risks, who review the cybersecurity threat landscape, and who evaluate key emerging data security risks. The committee reviews certain cybersecurity-related risks facing the company; discusses open policy exceptions and key risk indicators; and manages cybersecurity risks presented by the team and proposed mitigation actions. Members of this committee review the key risks identified as an outcome of our cybersecurity risk management strategy described below. Risk Management and Strategy Our cybersecurity risk management program is designed to identify, assess, and manage reasonably foreseeable material risks facing Outset from cybersecurity threats. We identify cybersecurity risks in various ways, including but not limited to the ongoing monitoring of our systems using various technologies and processes, monitoring of emerging threats, third-party penetration testing of our device and systems, vulnerability scanning and assessments, and cross-functional risk discussions. We have also received Systems and Organizations Controls 2 (SOC 2) certification for Tablo Cloud. We have developed processes to help us track, prioritize, and manage identified cybersecurity risks. For example, risks are defined, categorized, and assigned a risk rating based on potential impact and likelihood, which informs acceptance, mitigation or remediation actions which should be undertaken. The Risk Governance Committee reviews key identified risks and discusses related mitigation actions in response to such risks. We have operationalized key processes to help us identify, assess, manage, and mitigate reasonably foreseeable risks from potential cybersecurity threats. For example: • USE OF THIRD PARTIES: We engage third-party cybersecurity consulting firms to assist us with various aspects of our cybersecurity risk management program. For example, we have engaged a leading third-party information security consulting firm for CISO advisory services to support our information security program, which will continue to be overseen by our VP of Information Technology. We also currently consult with third party firms to assist with our annual penetration testing for the Tablo device, Tablo Cloud and IT infrastructure. In addition, we used a third-party audit firm accredited by the American Institute of Certified Public Accountants (AICPA) to support us in the SOC 2 certification process for Tablo Cloud. • VENDOR ASSESSMENT: We leverage a third-party risk assessment tool to help us identify cybersecurity, privacy, and operational related risks associated with our use of certain third-party service providers. • INCIDENT PREPAREDNESS AND RESPONSE: We maintain a Cybersecurity Incident Response Plan (IRP) which establishes a framework designed to enable us to respond to cybersecurity incidents in a consistent, timely and effective manner. Our IRP outlines procedures for identifying, reporting, investigating, assessing, and responding to cybersecurity incidents, including incident response team formation, roles and responsibilities by department, and communication and escalation protocols. The IRP also includes an addendum that specifically addresses incidents involving protected health information and describes our obligations under HIPAA, including compliance with the HIPAA breach notification rule and our applicable contractual requirements. Depending on the severity of the cybersecurity incident, our IRP contemplates escalation to our executive leadership team and the Audit Committee and/or the full Board, as well as periodic briefings on developments related to the incident response. We periodically review and update our IRP and have conducted training of key team members regarding the IRP. In addition, we have conducted a tabletop exercise to simulate a response to a cybersecurity incident. • SECURITY STANDARDS: Our IT and Tablo Cloud security architecture are designed to comply with the HIPAA Security Rule. In addition, our Tablo Cloud security architecture leverages recognized frameworks designed to protect customer data. For example, we have received SOC 2 certification for Tablo Cloud. In addition, in January 2026, the FDA granted 510(k) clearance of our next-generation Tablo platform which incorporates the FDA’s recent guidance on medical device cybersecurity published in June 2025. We periodically examine our security controls and take steps to review, prioritize and address key compliance gaps where identified, using a risk-based approach. • TECHNICAL SAFEGUARDS: We perform information security maturity assessments and penetration testing for the Tablo device and Tablo Cloud (including in connection with new product features and services), as well as for our enterprise IT infrastructure. We conduct vulnerability scans across key assets, core infrastructure, and endpoints to identify potential vulnerabilities and potential cybersecurity events. We assess and prioritize the remediation of vulnerabilities and other cybersecurity risks identified through these activities, using a risk-based approach. • THREAT LANDSCAPE AWARENESS: We regularly receive and review threat landscape bulletins from Health Information Sharing and Analysis Center (H-ISAC), Cybersecurity and Infrastructure Security Agency (CISA) and other sources, and incorporate enhancements into our ongoing cybersecurity program based on this review. • INSURANCE: We maintain information security risk insurance coverage to mitigate potential losses in the event of a business disruption. • TRAINING: All Outset employees are assigned HIPAA and information security awareness training as part of the new employee onboarding process and refresher training is assigned annually. Our IT team also conducts continuous automated phishing simulation campaigns, which can trigger additional training for employees on how to recognize social engineering attempts (e.g., phishing, smishing, etc.). We track employee performance on phishing exercises to help us monitor the awareness of our employees and inform future training priorities. For employees whose jobs require access to sensitive data, including PHI, additional security training may be required. Risks from Cybersecurity Threats Our business relies on secure and continuous processing of information and the availability of our IT networks and IT resources, as well as critical IT vendors that support our technology and data processing operations. Security breaches, computer malware and computer hacking attacks have become more prevalent across industries and may occur on our systems or those of our third-party service providers. Attacks upon IT systems are increasing in their frequency, levels of persistence, sophistication, and intensity, and are being conducted by sophisticated and organized groups and individuals with a wide range of motives and expertise. We may face increased risks from cybersecurity threats due to our reliance on internet technology and the increased frequency of employees working remotely, which may create additional opportunities for cybercriminals to exploit vulnerabilities. We regularly monitor for, defend against, and respond to cybersecurity threats to our networks and information systems, as well as other types of security threats and incidents. Despite our information security efforts, our facilities, systems, servers, platforms and data, as well as those of our third-party cloud and other service providers and Tablo’s two-way wireless communication system, may be vulnerable to privacy and information security incidents and may be breached due to the actions of outside parties, employee error or misconduct, malfeasance, or a combination of these and, as a result, an unauthorized party may obtain access to our data or the personal information maintained by us or on our behalf. These include data breaches, viruses or other malicious code, exploitation of known or unknown vulnerabilities, coordinated attacks, data loss, phishing attacks, ransomware, denial of service attacks, insider threats or other security or IT incidents caused by threat actors, technological vulnerabilities, or human error. Additionally, outside parties may attempt to fraudulently induce employees to disclose sensitive information to gain access to the data and personal information we maintain. As of the date of this Annual Report, we are not aware of any material adverse impact to our business or operations from cybersecurity threats or incidents. We do, however, recognize that the cybersecurity landscape evolves rapidly and that we are not immune to such incidents. If we, or any of our third-party service providers, fail to comply with laws requiring the protection of sensitive personal information, or fail to safeguard and defend personal information or other critical data assets or IT systems, or if our incident response, containment or mitigation measures are inadequate in the face of a particular data breach or cybersecurity incident, we may face significant business interruptions, incur reputational damage, and be subject to regulatory enforcement and fines as well as private civil actions. We may be required to expend significant resources in the response, containment, and mitigation of cybersecurity incidents as well as in defense against claims that our information security was unreasonable or otherwise violated applicable laws or contractual obligations. In addition, to the extent that our cloud and other service providers experience security breaches that result in the unauthorized or improper use of confidential information, employee information or personal information, we may not be indemnified for any losses resulting from such breaches. Moreover, we have engaged a leading third-party information security consulting firm for CISO advisory services to support our information security program, which will continue to be overseen by our VP of Information Technology. While this consulting firm has significant experience in supporting and managing information security programs, has previously been involved in various aspects of our cybersecurity risk management program and ongoing cybersecurity operations, and the engagement is designed to enhance our program, there can be no assurance that the integration of external resources for CISO advisory services will be seamless or free of operational or security risks, which could result in unforeseen vulnerabilities or costs. If we are unable to prevent or mitigate the impact of such security breaches or other cyber events that impact our operations, our ability to attract and retain new customers, patients, and other partners could be harmed, as they may be reluctant to entrust us with their data, and we could be exposed to litigation and governmental investigations, which could lead to a potential disruption to our business or other adverse consequences. Moreover, any unauthorized access to, or compromise of, Tablo devices could result in device malfunction, interruption or alteration of treatment or inaccurate data transmission, any of which could adversely affect patient health or safety. Any such incident could subject us to product liability claims, FDA or other regulatory enforcement actions, increased regulatory scrutiny, and reputational harm. In addition, certain privacy and data protection laws provide for private rights of action, and we could also be subject to contractual claims by customers or other counterparties in connection with a cybersecurity or privacy incident. Even the perception that Tablo is vulnerable to cybersecurity threats could reduce patient and provider confidence and materially harm adoption and use of Tablo and our business. In addition, manufacturing operations at our Mexico-based facility may also suffer disruptions from cybersecurity attacks, which could negatively impact our ability to produce Tablo consoles and cartridges, restrict or delay our ability to deliver products to our customers and meet our customers’ demand on a timely basis, and result in customer dissatisfaction, all of which would adversely impact our results of operations. Moreover, we use Amazon Web Services to support Tablo’s cloud connectivity and any disruption of service as a result of cybersecurity attacks could interrupt or delay our ability to receive and deliver certain treatment and reporting information from and to providers and patients. The continuing and uninterrupted performance of Tablo is critical to our success and any repeated or prolonged system failures may damage our reputation, reduce the attractiveness of Tablo to providers and patients, and result in decreased demand for Tablo, thereby adversely affecting our business, financial condition and results of operations. For more information on the risks we face from cybersecurity threats and the potential impacts on our company, see the section above entitled “Risk Factors” under Part I, Item 1A, including the risk factor entitled “We may face additional costs, loss of revenue, significant liabilities, harm to our brand, decreased use of our platform and business disruption if there are any security or data privacy breaches or other unauthorized or improper access.”
Cybersecurity Risk Management Processes Integrated [Flag]	true
Cybersecurity Risk Management Processes Integrated [Text Block]	At Outset, we strive to protect the confidentiality, integrity and availability of the data entrusted to us. We continue to invest in our cybersecurity program in an effort to enhance our ability to prevent, detect, contain, and mitigate cybersecurity threats.
Cybersecurity Risk Management Third Party Engaged [Flag]	true
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]	true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]	true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]	Our cybersecurity risk management program is designed to identify, assess, and manage reasonably foreseeable material risks facing Outset from cybersecurity threats. We identify cybersecurity risks in various ways, including but not limited to the ongoing monitoring of our systems using various technologies and processes, monitoring of emerging threats, third-party penetration testing of our device and systems, vulnerability scanning and assessments, and cross-functional risk discussions.
Cybersecurity Risk Board of Directors Oversight [Text Block]	One of the key functions of our Board is informed oversight of our risk management process. Our Board focuses on the overall risks affecting us and delegates responsibility for oversight of certain specific risks to its standing committees. For significant risks related to cybersecurity, the Board has delegated oversight responsibility to the Audit Committee. Our Audit Committee is responsible for overseeing our major financial, legal, and regulatory risk exposures, which span a variety of areas, including cybersecurity. Our full Board and Audit Committee are kept informed about significant risks related to cybersecurity, including enterprise-level risks from cybersecurity threats. The Board receives written updates, generally on a quarterly basis, regarding the status of our information security program. In addition, the Audit Committee receives in-person updates on our information security programs on at least an annual basis. These updates generally cover topics such as our cybersecurity strategy, the threat landscape, key cybersecurity risk areas facing the organization, any key findings of audits and testing, the status of key initiatives, as well as a review of any major incidents. MANAGEMENT Executive management plays a significant role in assessing and managing material risks from cybersecurity threats. Our VP of Information Technology manages our information security program. Executive leadership Our VP of Information Technology periodically presents information about the Company’s information security program, including program goals and strategy, and progress against key initiatives and key risks, to our executive leadership team. As described above, significant risks related to cybersecurity are escalated to the Audit Committee and/or the full Board as appropriate. Cross-functional engagement We maintain an integrated cybersecurity program that involves collaboration across key functions, including information technology (IT), software engineering, regulatory, legal, privacy, finance, and operations. This cross-functional approach supports alignment with regulatory requirements and proactive risk management, and representatives of these functions meet regularly to review our cybersecurity posture, evolving threats, and related action plans. Governance of information security risks We have also established a risk governance committee, which generally meets on a quarterly basis. This committee, which is sponsored by our VP of Information Technology, is comprised of our information security advisor and Company leaders from IT, legal, privacy, finance, operations, and other functions, who have experience in managing cybersecurity risks, who review the cybersecurity threat landscape, and who evaluate key emerging data security risks. The committee reviews certain cybersecurity-related risks facing the company; discusses open policy exceptions and key risk indicators; and manages cybersecurity risks presented by the team and proposed mitigation actions. Members of this committee review the key risks identified as an outcome of our cybersecurity risk management strategy described below. Risk Management and Strategy Our cybersecurity risk management program is designed to identify, assess, and manage reasonably foreseeable material risks facing Outset from cybersecurity threats. We identify cybersecurity risks in various ways, including but not limited to the ongoing monitoring of our systems using various technologies and processes, monitoring of emerging threats, third-party penetration testing of our device and systems, vulnerability scanning and assessments, and cross-functional risk discussions. We have also received Systems and Organizations Controls 2 (SOC 2) certification for Tablo Cloud. We have developed processes to help us track, prioritize, and manage identified cybersecurity risks. For example, risks are defined, categorized, and assigned a risk rating based on potential impact and likelihood, which informs acceptance, mitigation or remediation actions which should be undertaken. The Risk Governance Committee reviews key identified risks and discusses related mitigation actions in response to such risks. We have operationalized key processes to help us identify, assess, manage, and mitigate reasonably foreseeable risks from potential cybersecurity threats. For example: • USE OF THIRD PARTIES: We engage third-party cybersecurity consulting firms to assist us with various aspects of our cybersecurity risk management program. For example, we have engaged a leading third-party information security consulting firm for CISO advisory services to support our information security program, which will continue to be overseen by our VP of Information Technology. We also currently consult with third party firms to assist with our annual penetration testing for the Tablo device, Tablo Cloud and IT infrastructure. In addition, we used a third-party audit firm accredited by the American Institute of Certified Public Accountants (AICPA) to support us in the SOC 2 certification process for Tablo Cloud. • VENDOR ASSESSMENT: We leverage a third-party risk assessment tool to help us identify cybersecurity, privacy, and operational related risks associated with our use of certain third-party service providers. • INCIDENT PREPAREDNESS AND RESPONSE: We maintain a Cybersecurity Incident Response Plan (IRP) which establishes a framework designed to enable us to respond to cybersecurity incidents in a consistent, timely and effective manner. Our IRP outlines procedures for identifying, reporting, investigating, assessing, and responding to cybersecurity incidents, including incident response team formation, roles and responsibilities by department, and communication and escalation protocols. The IRP also includes an addendum that specifically addresses incidents involving protected health information and describes our obligations under HIPAA, including compliance with the HIPAA breach notification rule and our applicable contractual requirements. Depending on the severity of the cybersecurity incident, our IRP contemplates escalation to our executive leadership team and the Audit Committee and/or the full Board, as well as periodic briefings on developments related to the incident response. We periodically review and update our IRP and have conducted training of key team members regarding the IRP. In addition, we have conducted a tabletop exercise to simulate a response to a cybersecurity incident. • SECURITY STANDARDS: Our IT and Tablo Cloud security architecture are designed to comply with the HIPAA Security Rule. In addition, our Tablo Cloud security architecture leverages recognized frameworks designed to protect customer data. For example, we have received SOC 2 certification for Tablo Cloud. In addition, in January 2026, the FDA granted 510(k) clearance of our next-generation Tablo platform which incorporates the FDA’s recent guidance on medical device cybersecurity published in June 2025. We periodically examine our security controls and take steps to review, prioritize and address key compliance gaps where identified, using a risk-based approach. • TECHNICAL SAFEGUARDS: We perform information security maturity assessments and penetration testing for the Tablo device and Tablo Cloud (including in connection with new product features and services), as well as for our enterprise IT infrastructure. We conduct vulnerability scans across key assets, core infrastructure, and endpoints to identify potential vulnerabilities and potential cybersecurity events. We assess and prioritize the remediation of vulnerabilities and other cybersecurity risks identified through these activities, using a risk-based approach. • THREAT LANDSCAPE AWARENESS: We regularly receive and review threat landscape bulletins from Health Information Sharing and Analysis Center (H-ISAC), Cybersecurity and Infrastructure Security Agency (CISA) and other sources, and incorporate enhancements into our ongoing cybersecurity program based on this review. • INSURANCE: We maintain information security risk insurance coverage to mitigate potential losses in the event of a business disruption. • TRAINING: All Outset employees are assigned HIPAA and information security awareness training as part of the new employee onboarding process and refresher training is assigned annually. Our IT team also conducts continuous automated phishing simulation campaigns, which can trigger additional training for employees on how to recognize social engineering attempts (e.g., phishing, smishing, etc.). We track employee performance on phishing exercises to help us monitor the awareness of our employees and inform future training priorities. For employees whose jobs require access to sensitive data, including PHI, additional security training may be required. Risks from Cybersecurity Threats Our business relies on secure and continuous processing of information and the availability of our IT networks and IT resources, as well as critical IT vendors that support our technology and data processing operations. Security breaches, computer malware and computer hacking attacks have become more prevalent across industries and may occur on our systems or those of our third-party service providers. Attacks upon IT systems are increasing in their frequency, levels of persistence, sophistication, and intensity, and are being conducted by sophisticated and organized groups and individuals with a wide range of motives and expertise. We may face increased risks from cybersecurity threats due to our reliance on internet technology and the increased frequency of employees working remotely, which may create additional opportunities for cybercriminals to exploit vulnerabilities. We regularly monitor for, defend against, and respond to cybersecurity threats to our networks and information systems, as well as other types of security threats and incidents. Despite our information security efforts, our facilities, systems, servers, platforms and data, as well as those of our third-party cloud and other service providers and Tablo’s two-way wireless communication system, may be vulnerable to privacy and information security incidents and may be breached due to the actions of outside parties, employee error or misconduct, malfeasance, or a combination of these and, as a result, an unauthorized party may obtain access to our data or the personal information maintained by us or on our behalf. These include data breaches, viruses or other malicious code, exploitation of known or unknown vulnerabilities, coordinated attacks, data loss, phishing attacks, ransomware, denial of service attacks, insider threats or other security or IT incidents caused by threat actors, technological vulnerabilities, or human error. Additionally, outside parties may attempt to fraudulently induce employees to disclose sensitive information to gain access to the data and personal information we maintain. As of the date of this Annual Report, we are not aware of any material adverse impact to our business or operations from cybersecurity threats or incidents. We do, however, recognize that the cybersecurity landscape evolves rapidly and that we are not immune to such incidents. If we, or any of our third-party service providers, fail to comply with laws requiring the protection of sensitive personal information, or fail to safeguard and defend personal information or other critical data assets or IT systems, or if our incident response, containment or mitigation measures are inadequate in the face of a particular data breach or cybersecurity incident, we may face significant business interruptions, incur reputational damage, and be subject to regulatory enforcement and fines as well as private civil actions. We may be required to expend significant resources in the response, containment, and mitigation of cybersecurity incidents as well as in defense against claims that our information security was unreasonable or otherwise violated applicable laws or contractual obligations. In addition, to the extent that our cloud and other service providers experience security breaches that result in the unauthorized or improper use of confidential information, employee information or personal information, we may not be indemnified for any losses resulting from such breaches. Moreover, we have engaged a leading third-party information security consulting firm for CISO advisory services to support our information security program, which will continue to be overseen by our VP of Information Technology. While this consulting firm has significant experience in supporting and managing information security programs, has previously been involved in various aspects of our cybersecurity risk management program and ongoing cybersecurity operations, and the engagement is designed to enhance our program, there can be no assurance that the integration of external resources for CISO advisory services will be seamless or free of operational or security risks, which could result in unforeseen vulnerabilities or costs. If we are unable to prevent or mitigate the impact of such security breaches or other cyber events that impact our operations, our ability to attract and retain new customers, patients, and other partners could be harmed, as they may be reluctant to entrust us with their data, and we could be exposed to litigation and governmental investigations, which could lead to a potential disruption to our business or other adverse consequences. Moreover, any unauthorized access to, or compromise of, Tablo devices could result in device malfunction, interruption or alteration of treatment or inaccurate data transmission, any of which could adversely affect patient health or safety. Any such incident could subject us to product liability claims, FDA or other regulatory enforcement actions, increased regulatory scrutiny, and reputational harm. In addition, certain privacy and data protection laws provide for private rights of action, and we could also be subject to contractual claims by customers or other counterparties in connection with a cybersecurity or privacy incident. Even the perception that Tablo is vulnerable to cybersecurity threats could reduce patient and provider confidence and materially harm adoption and use of Tablo and our business. In addition, manufacturing operations at our Mexico-based facility may also suffer disruptions from cybersecurity attacks, which could negatively impact our ability to produce Tablo consoles and cartridges, restrict or delay our ability to deliver products to our customers and meet our customers’ demand on a timely basis, and result in customer dissatisfaction, all of which would adversely impact our results of operations. Moreover, we use Amazon Web Services to support Tablo’s cloud connectivity and any disruption of service as a result of cybersecurity attacks could interrupt or delay our ability to receive and deliver certain treatment and reporting information from and to providers and patients. The continuing and uninterrupted performance of Tablo is critical to our success and any repeated or prolonged system failures may damage our reputation, reduce the attractiveness of Tablo to providers and patients, and result in decreased demand for Tablo, thereby adversely affecting our business, financial condition and results of operations. For more information on the risks we face from cybersecurity threats and the potential impacts on our company, see the section above entitled “Risk Factors” under Part I, Item 1A, including the risk factor entitled “We may face additional costs, loss of revenue, significant liabilities, harm to our brand, decreased use of our platform and business disruption if there are any security or data privacy breaches or other unauthorized or improper access.”
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]	One of the key functions of our Board is informed oversight of our risk management process.
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]	Our Board focuses on the overall risks affecting us and delegates responsibility for oversight of certain specific risks to its standing committees. For significant risks related to cybersecurity, the Board has delegated oversight responsibility to the Audit Committee.
Cybersecurity Risk Role of Management [Text Block]	Executive management plays a significant role in assessing and managing material risks from cybersecurity threats. Our VP of Information Technology manages our information security program. Executive leadership Our VP of Information Technology periodically presents information about the Company’s information security program, including program goals and strategy, and progress against key initiatives and key risks, to our executive leadership team. As described above, significant risks related to cybersecurity are escalated to the Audit Committee and/or the full Board as appropriate. Cross-functional engagement We maintain an integrated cybersecurity program that involves collaboration across key functions, including information technology (IT), software engineering, regulatory, legal, privacy, finance, and operations. This cross-functional approach supports alignment with regulatory requirements and proactive risk management, and representatives of these functions meet regularly to review our cybersecurity posture, evolving threats, and related action plans. Governance of information security risks We have also established a risk governance committee, which generally meets on a quarterly basis. This committee, which is sponsored by our VP of Information Technology, is comprised of our information security advisor and Company leaders from IT, legal, privacy, finance, operations, and other functions, who have experience in managing cybersecurity risks, who review the cybersecurity threat landscape, and who evaluate key emerging data security risks. The committee reviews certain cybersecurity-related risks facing the company; discusses open policy exceptions and key risk indicators; and manages cybersecurity risks presented by the team and proposed mitigation actions. Members of this committee review the key risks identified as an outcome of our cybersecurity risk management strategy described below.
Cybersecurity Risk Management Positions or Committees Responsible [Flag]	true
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]	Our Audit Committee is responsible for overseeing our major financial, legal, and regulatory risk exposures, which span a variety of areas, including cybersecurity.
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]	Our business relies on secure and continuous processing of information and the availability of our IT networks and IT resources, as well as critical IT vendors that support our technology and data processing operations. Security breaches, computer malware and computer hacking attacks have become more prevalent across industries and may occur on our systems or those of our third-party service providers. Attacks upon IT systems are increasing in their frequency, levels of persistence, sophistication, and intensity, and are being conducted by sophisticated and organized groups and individuals with a wide range of motives and expertise.
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]	Our full Board and Audit Committee are kept informed about significant risks related to cybersecurity, including enterprise-level risks from cybersecurity threats. The Board receives written updates, generally on a quarterly basis, regarding the status of our information security program. In addition, the Audit Committee receives in-person updates on our information security programs on at least an annual basis. These updates generally cover topics such as our cybersecurity strategy, the threat landscape, key cybersecurity risk areas facing the organization, any key findings of audits and testing, the status of key initiatives, as well as a review of any major incidents.
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]	true

Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 28, 2022	Sep. 30, 2020	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2021	Dec. 31, 2020	Jun. 02, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			50.00%
Outstanding Stock Options			81,000	92,000
Stock-based compensation expense			$ 15,616	$ 29,356	$ 38,634
CEO [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			(250.00%)
CEO [Member] \| Total Shareholder Return [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			(250.00%)
Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			200.00%
Maximum \| Total Shareholder Return [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			150.00%
Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			0.00%
Minimum \| Total Shareholder Return [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			75.00%
Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			25.00%
Total intrinsic value of options exercised				200	9,900
Employee Stock Option \| Share-Based Payment Arrangement, Employee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total Fair Value of Options Vested			$ 500	2,100	3,600
Restricted Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total Fair Value of Options Vested			$ 9,400	$ 27,200	$ 24,900
RSU
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage	25.00%
Shares percentage of issued in period to CEO			50.00%
Shares percentage of issued in period to executive officers			80.00%
RSU, description	25% quarterly over the course of the second year, and 50% quarterly over the course of the third year, or (ii) 33% on the first anniversary of the original vesting date, with the balance vesting quarterly over the remaining two years. Annual RSUs granted to non-executive employees in 2025 vest over one year with 100% vesting on the first anniversary of the grant date while the annual RSUs granted to executives and certain other senior leaders in 2025 vest over a two-year period with 50% vesting on the first anniversary of the vesting commencement date, and the remaining 50% vesting quarterly over the following year. Annual RSUs granted to non-executive employees in 2024 vest over a two-year period at a rate of 50% on the first anniversary of the original vesting date
Estimated weighted average period over which unamortized share-based compensation are expected to be recognize			1 year 7 months 20 days
Total unrecognized stock-based compensation expense			$ 11,500
Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			50.00%
Shares percentage of issued in period to CEO			50.00%
Shares percentage of issued in period to executive officers			20.00%
Performance Shares \| CEO [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			(250.00%)
Performance Shares \| End Of Year 3 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			100.00%
Performance Shares \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			200.00%
Performance Shares \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Earned units vesting percentage			0.00%
2020 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares reserved for issuance							244,000	1,950,000
Percentage Of Maximum Number of Common Stock Outstanding							4.00%
Contractual Term			10 years
Percentage of fair market value of common stock						100.00%
2020 Equity Incentive Plan \| Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares reserved for issuance			1,420,000
Employees Share Purchase Plan (ESPP)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares reserved for issuance			248,000				46,000
Percentage Of Maximum Number of Common Stock Outstanding							1.00%
Percentage of fair market value of common stock		85.00%
Number of common stock issued			255,000
ESPP Offering Period		6 months
Estimated weighted average period over which unamortized share-based compensation are expected to be recognize			9 months 21 days
Total unrecognized stock-based compensation expense			$ 1,400
Employees Share Purchase Plan (ESPP) \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted Average Grant Date Fair Value of Options granted to Employees			$ 7.19	$ 31.65	$ 124.05
Eligible Compensation Percentage to Purchase Common Stock		15.00%
Employees Share Purchase Plan (ESPP) \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted Average Grant Date Fair Value of Options granted to Employees			$ 4.18	$ 2.25	$ 48.75

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Dec. 31, 2025	Feb. 06, 2026	Jun. 30, 2025
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2025
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Entity File Number	001-39513
Entity Registrant Name	Outset Medical, Inc.
Entity Central Index Key	0001484612
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-0514392
Entity Address, Address Line One	3052 Orchard Dr.
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95134
City Area Code	669
Local Phone Number	231-8200
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	OM
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	Yes
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 334.7
Document Financial Statement Error Correction [Flag]	false
ICFR Auditor Attestation Flag	true
Entity Common Stock, Shares Outstanding		18,311,626
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s Proxy Statement for its 2026 Annual Meeting of Stockholders, which is to be filed with the Securities and Exchange Commission within 120 days of the registrant’ fiscal year ended December 31, 2025, are incorporated by reference into Part III of this Annual Report on Form 10-K to the extent stated herein.
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	San Francisco, California
Auditor Opinion	We have audited the accompanying balance sheets of Outset Medical, Inc. (the Company) as of December 31, 2025 and 2024, the related statements of operations, comprehensive loss, convertible preferred stock and stockholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2025, and the related notes (collectively, the financial statements). We also have audited the Company’s internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the years in the three-year period ended December 31, 2025, in conformity with U.S. generally accepted accounting principles. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2025 based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

Fair Value Measurements - Summary of Financial Assets Measured at Fair Value On Recurring Basis by Level Within Fair Value Hierarchy (Detail) - Fair Value, Recurring - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Costs	$ 158,021	$ 145,608
Gross Unrealized Holding Gains	173	43
Gross Unrealized Holding Losses	(1)	(1)
Aggregate Fair Value	158,193	145,650
Level 1 \| Cash equivalents \| Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Costs	24,253	110,979
Gross Unrealized Holding Gains	0	0
Gross Unrealized Holding Losses	0	0
Aggregate Fair Value	24,253	110,979
Level 1 \| Short-term investments \| U.S. Treasury securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Costs	77,622
Gross Unrealized Holding Gains	109
Gross Unrealized Holding Losses	0
Aggregate Fair Value	77,731
Level 2 \| Short-term investments \| Corporate debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Costs	47,111	34,629
Gross Unrealized Holding Gains	56	43
Gross Unrealized Holding Losses	(1)	(1)
Aggregate Fair Value	47,166	$ 34,671
Level 2 \| Short-term investments \| Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Costs	5,909
Gross Unrealized Holding Gains	4
Gross Unrealized Holding Losses	0
Aggregate Fair Value	5,913
Level 2 \| Short-term investments \| Foreign entity bond
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Costs	3,126
Gross Unrealized Holding Gains	4
Gross Unrealized Holding Losses	0
Aggregate Fair Value	$ 3,130

Convertible Preferred Stock and Stockholders' Equity (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Millions						12 Months Ended
	Oct. 31, 2025	Mar. 10, 2025	Mar. 07, 2025	Jan. 31, 2025	Jan. 08, 2025	Dec. 31, 2025	Jan. 03, 2025	Dec. 31, 2024
Class of Stock [Line Items]
Preferred stock, shares authorized						5,000,000		5,000,000
Preferred stock, par value						$ 0.001		$ 0.001
Number of aggregate shares issued						0		0
Common stock, shares outstanding						18,169,000		3,530,000
Preferred stock, shares outstanding						0		0
Common stock, par value						$ 0.001		$ 0.001
Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized						5,000,000
Preferred stock, par value						$ 0.001
Series A Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Number of aggregate shares issued			19,000		844,000
Convertible preferred stock converted to common stock						863,000	863,000
Gross Proceeds, Before Deducting Placement Agent Fees And Other Offering Expenses			$ 3.9		$ 168.8
Common stock, shares outstanding		842,000
Conversion of common stock shares	343,000
Conversion price							$ 0.001
Preferred stock, shares outstanding	21,000					0
Series A Convertible Preferred Stock [Member] \| Private Placement [Member]
Class of Stock [Line Items]
Conversion price							$ 200
Common Stock Warrants [Member]
Class of Stock [Line Items]
Stockholders Equity Transaction		20.00%
Conversion of common stock shares		14,046,000
Conversion price		$ 12
Common Stock Warrants [Member] \| Valuation Technique, Black-Scholes-Merton Model [Member]
Class of Stock [Line Items]
Common stock, par value						$ 14.66
Expected volatility						93.00%
Warrants and Rights Outstanding, Term						7 years
Risk-free interest rate						4.56%
Common Stock Warrants [Member] \| Perceptive Credit Holdings IV LP [Member]
Class of Stock [Line Items]
Issuance of Common Stock Warrant Shares				375,000
Exercise price				$ 12
Expiration date						2032-01

Income Taxes (Additional Information) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Line Items]
Provision for income taxes	$ 718	$ 491	$ 523
Increase (Decrease) in Valuation allowance	15,300	22,100	37,800
Operating loss carryforward	815,100
Net operating loss carryforwards	201,253	180,588
Income Taxes Paid	447	593	491
Mexico
Income Taxes [Line Items]
Income Taxes Paid	500
Federal
Income Taxes [Line Items]
Operating loss carryforward	$ 687,400
Expiration year	2017
Operating loss carryforward expiration beginning	$ 127,800
Open year examination	three
Federal \| Mexico
Income Taxes [Line Items]
Provision for income taxes	$ 700	$ 500	$ 500
Federal \| Research and Development
Income Taxes [Line Items]
Tax credit carryforward, amount	$ 13,400
Tax credit carry forward expiration year	2030
Federal \| Maximum
Income Taxes [Line Items]
Expiration year	2037
Federal \| Minimum
Income Taxes [Line Items]
Expiration year	2026
State
Income Taxes [Line Items]
Operating loss carryforward	$ 453,900
Net operating loss carryforwards	140,700
Operating loss carryforward expiration beginning	$ 313,200
Open year examination	four
State \| Research and Development
Income Taxes [Line Items]
Tax credit carryforward, amount	$ 9,200
State \| Maximum
Income Taxes [Line Items]
Expiration year	2044
State \| Minimum
Income Taxes [Line Items]
Expiration year	2026
Foreign
Income Taxes [Line Items]
Open year examination	five

Revenue from Contracts with Customers - Additional Information (Detail) 1 $ in Millions	Dec. 31, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue Performance Obligation 1	$ 13.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-12-31
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue Performance Obligation 1	$ 0.4

Income Taxes - Summary of Components of the Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets:
Net operating loss carryforwards	$ 201,253	$ 180,588
Tax credits	19,751	18,163
Accrual and reserves	3,434	3,137
Tangible and intangible assets	1,656	3,534
Stock-based compensation expense	2,091	2,333
Capitalized research costs	22,817	29,014
Other deferred tax asset	9,580	8,386
Gross deferred tax assets	260,582	245,155
Valuation allowance	(259,423)	(244,165)
Net deferred tax assets	1,159	990
Deferred tax liabilities:
Right-of-use assets	(1,159)	(990)
Gross deferred tax liabilities	$ (1,159)	$ (990)

Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2025

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Use of Estimates

The preparation of the financial statements in conformity with U.S. GAAP requires management to make judgments, estimates, and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenue and expenses. These judgments, estimates and assumptions are used for, but not limited to, revenue recognition, allowance for credit losses, inventory valuation and write-downs, warranty obligations, the fair value of equity awards, the valuation of investments, recoverability of the Company’s net deferred tax assets, and certain accrued expenses. The Company evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors and adjusts those estimates and assumptions when facts and circumstances dictate. Actual results may differ from those estimates under different assumptions or conditions and the differences may be material.

Concentration of Credit Risk and Other Risks and Uncertainties

Financial instruments that potentially subject the Company to a concentration of credit risk consist of cash and cash equivalents, restricted cash, short-term investments, and accounts receivable. Substantially all the Company’s cash and cash equivalents, restricted cash, and investments are held at one financial institution in the United States that management believes is of high credit quality. Such investments may, at times, exceed federally insured limits or may not be covered by deposit insurance at all.

For the year ended December 31, 2025, 2024 and 2023, the Company’s largest customer accounted for 15%, 16%, and 13% of revenues, respectively.

Accounts receivable are unsecured; however, the Company does assess the collectability of accounts receivable based on a number of factors, including past transaction history with, and the creditworthiness of, the customer. Accordingly, the Company is exposed to credit risk associated with accounts receivable. To reduce risk, the Company closely monitors the amounts due from its customers and assesses the financial strength of its customers through a variety of methods that include, but are not limited to, engaging directly with customer operations and leadership personnel, visiting customer locations to observe operating activities, and assessing customer longevity and reputation in the marketplace. A material default in payment or a material reduction in purchases from these or any other large customers could have a material adverse impact on the Company’s financial condition, results of operations, and liquidity. Two customers accounted for 11% and 10% of accounts receivable as of December 31, 2025. One customer accounted for 16% of accounts receivable as of December 31, 2024.

The Company manufactures Tablo consoles, and a substantial majority of Tablo cartridges, at its manufacturing facility in Tijuana, Mexico which it operates in collaboration with its outsourced business administration service provider, TACNA. The Company is subject to a number of risks associated with operating its Mexico-based manufacturing facility, and many of these risks may heighten to the extent the Company continues to ramp its cartridge manufacturing capabilities and increase its dependence on the Mexico-based manufacturing operations. The Company may experience strikes, work stoppages, work slowdowns, high personnel turnover, grievances, complaints, claims of unfair labor practices, other collective bargaining disputes or other labor disputes at its facility. The manufacturing operations at the facility may also suffer disruptions from global or regional public health crises such as the COVID-19 pandemic, natural disasters, cyber security attacks, vandalism, terrorism or other political hostilities. Any such occurrences could negatively impact the Company’s ability to produce Tablo consoles and cartridges. The Company is also subject to a variety of foreign laws and regulations, including trade and labor restrictions and laws relating to importation, exportation and taxation of goods, and U.S. laws and regulations relating to foreign operations. In addition, because certain of its Mexico-based manufacturing operations incur costs that are denominated in MXN, the Company is exposed to additional risk of currency fluctuations between USD and MXN, which could increase its product and labor costs, thus reducing its gross profit. To date, foreign currency transaction gains and losses have not been material to the Company’s financial statements.

Fair Value of Financial Instruments

The Company determines the fair value of an asset or liability based on the assumptions that market participants would use in pricing the asset or liability in an orderly transaction between market participants at the measurement date. The identification of market participant assumptions provides a basis for determining what inputs are to be used for pricing each asset or liability.

The Company classifies financial instruments using a three-tiered fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The Company’s cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued liabilities approximate their fair value due to their short maturities.

Credit Losses

Accounts receivable. Accounts receivable are recorded at invoice value, net of any allowance for credit losses. The allowance for credit losses is based on the Company’s assessment of its best estimate of the amount of receivables that will not be collected over the estimated life of the assets. The allowance is calculated by considering previous loss history, delinquency of receivables balances, current and anticipated future economic conditions that may affect a customer’s ability to pay. To the extent an individual customer’s credit quality deteriorates, the Company measures an allowance based on the risk characteristics of the individual customer. Once a receivable is deemed to be uncollectible, such balance is charged against the allowance. The allowance is calculated at each reporting period with changes recorded to general and administrative expense in the statements of operations.

The Company writes off accounts receivable when the Company has exhausted collection efforts without success, and payments subsequently received on such receivables are credited to the allowance in the period the payment is received.

Available-for-sale debt securities. The Company primarily holds money market funds, U.S. Treasury securities, corporate debt securities, commercial paper, and foreign entity bonds. The Company regularly reviews the securities in an unrealized loss position and evaluates the current expected credit loss by considering factors such as historical experience, market data, financial condition and near-term prospects of the investee, the extent of the loss related to the credit of the issuer, and the expected cash flows from the security. The Company segments its portfolio based on the underlying risk profiles of the securities and has a zero-loss expectation for U.S. Treasury securities. The basis for this assumption is that these securities have consistently high credit ratings by rating agencies, have a long history with no credit losses, are explicitly guaranteed by a sovereign entity, which can print its own currency, and are denominated in a currency that is routinely held by central banks, used in international commerce, and commonly viewed as a reserve currency. Additionally, all of the Company’s other investments are in securities with high-quality credit ratings, which have historically experienced low rates of default.

Cash Equivalents and Short-Term Investments

The Company considers all highly liquid investments with an original maturity of three months or less from the date of purchase to be cash equivalents. Cash equivalents are stated at fair value and consist primarily of amounts invested in money market funds.

The Company primarily holds U.S. Treasury securities, corporate debt securities, commercial paper, and foreign entity bonds, and has the ability, if necessary, to liquidate any of its investments to meet its liquidity needs in the next 12 months, without significant penalty. Accordingly, those investments with contractual maturities greater than one year from the date of purchase are classified as short-term investments on the accompanying balance sheets. Short-term investments have been classified as available-for-sale at the time of purchase. The Company evaluates the appropriate classification of its investments as of each balance sheet date.

The Company’s investment securities are recorded at fair value based on the fair value hierarchy. Money market funds and U.S. Treasury securities are classified within Level 1 of the fair value hierarchy. Other securities are classified within Level 2 of the fair value hierarchy. Unrealized gains and losses, deemed temporary in nature, are reported as a separate component of accumulated other comprehensive income (loss).

A decline in the fair value of any security below cost that is deemed other than temporary results in a charge to earnings and the corresponding establishment of a new cost basis for the security. Premiums (discounts) are amortized (accreted) into interest income over the life of the related security as an adjustment to yield using the straight-line interest method. Dividend and interest income are recognized when earned. Realized gains and losses are included in earnings and are derived using the specific identification method for determining the cost of securities sold.

Inventories

Inventory is stated at the lower of cost or net realizable value, with approximate costs determined on a first-in, first-out basis. Inventory costs include direct materials, direct labor, and normal manufacturing overhead. The carrying value of inventories is reduced for any products that are considered excessive or obsolete based upon assumptions about future demand and market conditions. Any write-down of its inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded to cost of revenue on the statements of operations.

Property and Equipment, Net

Property and equipment, net is stated at cost, net of accumulated depreciation. Depreciation is generally computed using the straight-line method based on the estimated useful lives of the assets, which is generally two to five years. Leasehold improvements

are amortized using the straight-line method over the shorter of the assets estimated useful lives or the remaining term of the lease. Maintenance and repairs are charged to expense as incurred. Significant improvements that substantially enhance the useful life of an asset are capitalized and depreciated. When assets are retired or disposed of, the cost together with related accumulated depreciation is removed from the balance sheet and any resulting gain or loss is reflected in the statements of operations in the period realized.

Long-lived assets, such as property and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If circumstances require a long-lived asset or asset group to be tested for possible impairment, the Company first compares undiscounted cash flows expected to be generated by that asset or asset group to its carrying value. If the carrying value of the long-lived asset or asset group is not recoverable on an undiscounted cash flow basis, an impairment is recognized to the extent that the carrying value exceeds its fair value. Fair value is determined through various valuation techniques including discounted cash flow models, quoted market values and third-party independent appraisals, as considered necessary. There were no such impairment losses as of December 31, 2025 and 2024.

Leases

The Company determines if an arrangement is a lease at inception by assessing whether the arrangement contains an identified asset and whether it has the right to control the identified asset. Right-of-use (ROU) assets represent the Company’s right to use an underlying asset for the lease term. Operating lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Lease liabilities are recognized at the lease commencement date based on the present value of future lease payments over the lease term. ROU assets are based on the measurement of the lease liability and also include any lease payments made prior to or on lease commencement and exclude lease incentives and initial direct costs incurred, as applicable.

As the implicit rate in the Company’s leases is generally unknown, the Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of lease payments. The lease terms may include options to extend or terminate the lease when the Company is reasonably certain it will exercise such options. Lease costs for the Company’s operating leases are recognized on a straight-line basis over the reasonably assured lease term. Variable lease payments include lease operating expenses.

The Company has elected to not separate lease and non-lease components for any leases within its existing classes of assets and, as a result, accounts for any lease and non-lease components as a single lease component. The Company has also elected to not apply the recognition requirement to any leases within its existing classes of assets with a term of 12 months or less and does not include an option to purchase the underlying asset that the Company is reasonably certain to exercise.

Accrued Warranty Liability

The Company generally provides a one-year warranty for defective parts and workmanship on its Tablo consoles, commencing upon the transfer of title and risk of loss to the customer. The Company accrues the estimated cost of product warranties when it invoices the customer, based on historical experience and expected results. Should actual product failure rates and material usage costs differ from these estimates, revisions to the estimated warranty liability would be required. The Company periodically assesses the adequacy of its recorded product warranty liabilities and adjusts the balance as required. Warranty expense is recorded as a component of cost of product revenue in the statements of operations.

Contract Liabilities - Deferred Revenue

The timing of revenue recognition may differ from the timing of invoicing to customers. The Company records deferred revenue when revenue is recognized subsequent to invoicing. For service agreements, the Company generally invoices customers annually at the beginning of each annual coverage period. Deferred revenue that will be recognized during the 12 months following the balance sheet date is recorded as the current portion of deferred revenue and the remaining portion is recorded as noncurrent.

Common Stock Warrant

The Company has accounted for its freestanding warrants to purchase shares of the Company’s common stock as equity at fair value upon issuance primarily because the warrants are indexed to the Company’s own common stock. The Company estimated the fair value of these warrants using the Black-Scholes option pricing model, which is considered to be a Level 3 fair value measurement. Assumptions used in the pricing model were based on the individual characteristics of the warrants on the valuation date, as well as assumptions for expected volatility, expected term, and risk-free interest rate.

Revenue

Each customer contract defines our distinct performance obligations and the associated transaction price for each obligation. Tablo consoles and consumables are generally sold without the right of return. Revenue is recognized when a performance obligation is satisfied. Revenue from product sales is recognized at a point in time when management has determined that control has transferred to the customer, which is generally when legal title has transferred to the customer. Revenue from service agreements is recognized over time as the service is performed, typically evenly over the service period. Certain contracts include variable consideration such as rebates, revenue for such contracts is recognized only to the extent that it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. Revenue is recognized net of any taxes collected from customers, which are subsequently remitted to governmental authorities.

The Company’s contracts with customers often include multiple performance obligations, such as products and services. The Company determines the SSP based upon the facts and circumstances of each performance obligation (product or services), which often requires management’s judgment. The Company uses an observable price to estimate SSP for items that are sold separately, including service agreements. In instances where SSP is not directly observable, such as when the Company does not sell the product or service separately, the Company determines the SSP using information that may include market conditions and other observable inputs and allocates the contracted transaction price to each distinct performance obligation based upon the relative SSP. The Company may offer additional goods or services to customers at the inception of customer contracts at prices not at SSP. If such contracts result in a material right, the Company allocates part of the transaction price to that right and recognizes the associated revenue when those future goods and services are transferred to the customer. SSP is assigned based on the estimated value of the material right. The Company establishes SSP ranges for its products and services and reassesses them periodically.

Costs associated with product sales include commissions. The Company applies the practical expedient to expense the commissions as incurred as the expected amortization period is one year or less. Commissions are recorded as sales and marketing expenses in the statements of operations.

Shipping and Handling Costs

Shipping and handling charged to customers are recorded as revenue. Shipping and handling costs are expensed as incurred and are included in sales and marketing expenses.

Stock-Based Compensation Expense

Stock-based compensation expense relates to stock options with a service-based vesting condition, stock purchase rights under the ESPP, Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) with performance or market-based vesting conditions. Stock-based compensation expense for the Company’s stock-based awards is based on their grant date fair value.

The fair value of stock options with a service condition and stock purchase rights under the ESPP on the grant date is estimated using the Black-Scholes option-pricing model. The fair value of these awards is recognized as compensation expense on a straight-line basis over the requisite service period in which the awards are expected to vest and forfeitures are recognized as they occur.

The Black-Scholes model considers several variables and assumptions in estimating the fair value of service-based stock options and stock purchase rights under the ESPP. These variables include the per share fair value of the underlying common stock, exercise price, expected term, risk-free interest rate, expected annual dividend yield and expected stock price volatility over the expected term. The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to the expected term on the equity settled award.

The fair value of RSUs and PSUs with a service- or performance-based vesting condition is based on the market price of the Company’s common stock on the date of grant. The determination of the stock-based compensation expense related to PSUs to be recognized in the statements of operations requires the use of certain estimates and assumptions. At each reported period, the Company reassesses the probability of the achievement of corporate performance goals to estimate the number of shares to be released. Any increase or decrease in stock-based compensation expense resulting from an adjustment in the estimated shares to be released is treated as a cumulative catch-up in the period of adjustment. If any of the assumptions or estimates used change significantly, stock-based compensation expense may differ materially from what the Company has recorded in the current period. The fair value of PSUs with a market-based vesting condition is estimated using the Monte Carlo simulation model. Stock-based compensation expense related to these PSUs is recognized using the accelerated attribution method and not reversed if the achievement of the market conditions does not occur.

Research and Development

The Company expenses all research and development costs as incurred. These expenses include the costs of proprietary research and development efforts, quality engineering, clinical studies and trials, and regulatory affairs. Costs primarily consist of

compensation and personnel costs, regulatory fees, consulting services, laboratory supplies and materials expenses, and infrastructure costs including facilities, depreciation, and information technology.

Advertising Costs

Advertising costs are expensed as incurred. The advertising costs for years ended December 31, 2025, 2024, and 2023 were not significant.

Income Taxes

The Company accounts for income taxes under the liability method. Under this method, deferred tax assets and liabilities are determined based on differences between financial reporting and tax reporting bases of assets and liabilities and remeasured using enacted tax rates and laws that are expected to be in effect when the differences are expected to reverse. Realization of deferred tax assets is dependent upon future earnings, the timing and amount of which are uncertain.

The Company utilizes a two-step approach to recognize and measure uncertain tax positions. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained upon tax authority examination, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement.

The Company includes any penalties and interest expense related to income taxes as a component of other expense, net, as necessary.

Net Loss per Share

Basic net loss per share is calculated by dividing the net loss by the weighted-average number of shares of common stock outstanding for the period, without consideration for potential dilutive securities.

Diluted net loss per share is computed by dividing the net loss by the weighted-average number of common shares and common share equivalents of potentially dilutive securities outstanding for the period. For purposes of the diluted net loss per share calculation, awards under the Company’s equity compensation plan and warrants are considered to be potentially dilutive securities. For periods in which the Company reports net losses, basic net loss per share is the same as diluted net loss per share because the effects of potentially dilutive securities are antidilutive.

Employee Benefit Plan

The Company has a defined contribution retirement savings plan under Section 401(k) of the Internal Revenue Code. This plan allows eligible employees to defer a portion of their eligible compensation on a pre- or post-tax basis. The Company matches 100% of each employee’s contributions up to a maximum matching contribution equal to 2% of such employee’s eligible compensation, subject to the terms and limitations of the 401(k) plan and applicable law. The Company’s matching contributions were $1.0 million, $1.5 million and $1.7 million for the years ended December 31, 2025, 2024, and 2023, respectively.

Segment

The Company generates revenue primarily from the sale of its products and services. Product revenue consists primarily of sales of Tablo consoles and related consumables, including Tablo cartridges and accessories. Service and other revenue consists primarily of revenue generated from service agreements and other revenue from shipping and handling charged to customers. Tablo is a single enterprise solution that can be utilized in both the acute and home care settings. The Company derives revenue primarily in the United States and operates a manufacturing facility in Mexico. As the Company manages its business activities on a consolidated basis, the Company has one reportable segment. The Company’s chief operating decision maker (CODM), its Chief Executive Officer, reviews financial information on an aggregate basis for the purposes of allocating resources and evaluating financial performance.

Recently Adopted Accounting Pronouncement

In December 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Updated (ASU) No. 2023-09, Improvements to Income Tax Disclosures (ASU 2023-09), which requires that an entity disclose specific categories in the effective tax rate reconciliation as well as provide additional information for reconciling items that meet a quantitative threshold. Further, the ASU requires certain disclosures of state versus federal income tax expense and taxes paid. The Company adopted ASU 2023-09 for the year ended December 31, 2025 on a prospective basis. The adoption did not have a material impact on the Company’s financial statements. See Note 9 for additional information.

Recently Issued Accounting Pronouncements Not Yet Adopted

In March 2024, the SEC adopted rules intended to enhance and standardize climate-related disclosures in registration statements and annual reports. The new rules will require disclosure of material climate-related risks, including the material impacts of these risks to the Company, the quantification of material impacts to the Company as a result of severe weather events and other natural conditions and Board of Directors’ oversight and risk management activities. The new rules follow a compliance phase-in timeline based on a company’s filing status. Large accelerated filers and accelerated filers (other than smaller reporting companies) are required to first incorporate such disclosures for fiscal years 2025 and 2026, respectively, followed by greenhouse gas-related disclosures, if material, for fiscal years 2026 and 2027, respectively. In April 2024, the SEC determined to voluntarily stay the final rules pending certain legal challenges. In March 2025, the SEC voted to end its legal defense of the final rules in U.S. Court of Appeals for the Eighth Circuit. The Eighth Circuit has suspended the litigation until the SEC informs the court whether it intends to reconsider the rules under administrative procedures or whether the SEC will renew its defense of the rules. The Company is monitoring the judicial process for resolution of the legal challenges and impacts on the disclosure requirements.

In November 2024, the FASB issued ASU No. 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (ASU 2024-03), which requires additional disclosures about the nature of expenses included in the income statement, such as purchases of inventory, employee compensation and depreciation. ASU 2024-03 will be effective for fiscal years beginning after December 15, 2026, and interim periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the impact of adopting this standard on its financial statements and related disclosures.

In July 2025, the FASB issued ASU 2025-05, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets (ASU 2025-05), which permits entities to elect a practical expedient to assume current conditions as of the balance sheet date will not change for the remaining life of accounts receivable and contract assets when developing forecasts as part of estimating expected credit losses. The amendments in ASU 2025-05 will be effective for fiscal years beginning after December 15, 2025, and interim periods within those fiscal years, with early adoption permitted. The amendments should be applied prospectively. The Company is currently evaluating this practical expedient and does not expect it to have a material impact on its financial statements.

In September 2025, the FASB issued ASU 2025-06, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (ASU 2025-06), which removes all references to software development project stages and requires entities to start capitalizing software costs when both of the following occur: (i) management has authorized and committed to funding the software project and (ii) it is probable that the project will be completed and the software will be used to perform the function intended. The amendments in ASU 2025-06 will be effective for fiscal years beginning after December 15, 2027, and interim periods within those fiscal years, with early adoption permitted as of the beginning of a fiscal year. The amendments can be applied prospectively, retrospectively, or via a modified prospective transition method. The Company is currently evaluating the impact of adopting this standard on its financial statements.

On December 8, 2025, the FASB issued ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements (ASU 2025-11) which is intended to improve the navigability of the guidance in ASC 270, Interim Reporting, and clarify when it applies. Under the amendments, an entity is subject to ASC 270 if it provides interim financial statements and notes in accordance with GAAP. ASU 2025-11 also addresses the form and content of such financial statements, interim disclosures requirements, and establishes a principle under which an entity must disclose events since the end of the last annual reporting period that have a material impact on the entity. ASU 2025-11 is effective for interim reporting periods within annual reporting periods beginning after December 15, 2027, and early adoption is permitted. The Company is currently evaluating the impact of adopting this standard and does not expect it to have a material impact on its financial statements.

Workforce Reduction - Summary of Changes in Liabilities Resulting from the Severance Charges and Related Accruals (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)
Workforce reduction [Abstract]
Balance as of December 31, 2024	$ 1,501
Charges	$ 34
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Research and Development Expense
Payments and other adjustments	$ (1,535)
Balance as of December 31, 2025	$ 0

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References + Details

Balance Sheet Components

12 Months Ended

Dec. 31, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Balance Sheet Components

5. Balance Sheet Components

Restricted Cash

As of December 31, 2025, the restricted cash balance of $3.8 million was related to collateral for the Company’s building leases and a vehicle lease agreement (see Note 6) while the restricted cash balance as of December 31, 2024 was only related to collateral for the building leases.

Accounts Receivable

The following table presents the activity in the Company’s allowance for credit losses (in thousands):


	December 31,
	2025			2024
Balance at beginning of year	$	2,577		$	203
Increase in allowance		4,487			2,381
Write-offs		(972	)		(7	)
Balance at end of year	$	6,092		$	2,577

Inventories

Inventories consist of the following (in thousands):


	December 31,
	2025		2024
Raw materials	$	27,183	$	25,703
Work in process		7,316		9,973
Finished goods		13,110		23,711
Total inventories	$	47,609	$	59,387

Property and Equipment, net

Property and equipment, net consisted of the following (in thousands):


	December 31,
	2025			2024
Tablos under operating leases	$	—		$	238
Computers and software		4,844			4,783
Furniture and fixtures		1,915			1,910
Machinery and equipment		12,707			11,905
Leasehold improvements		9,580			9,685
Construction in progress		523			637
Total property and equipment	$	29,569		$	29,158
Less: accumulated depreciation and amortization		(24,899	)		(21,025	)
Property and equipment, net	$	4,670		$	8,133

Total depreciation and amortization expense for the years ended December 31, 2025, 2024 and 2023, was $4.3 million, $5.7 million, and $5.8 million, respectively.

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):


	December 31,
	2025		2024
Inventory	$	2,245	$	2,079
Research and development expenses		159		219
Professional services		1,022		1,084
Customer rebates		1,937		1,733
Other		4,070		3,090
Total accrued expenses and other current liabilities	$	9,433	$	8,205

Accrued Warranty Liability

The change in accrued warranty liability is presented in the following table (in thousands):


	December 31,
	2025			2024
Balance at the beginning of year	$	1,938		$	3,712
Warranties issued and adjustments to provisions		903			1,908
Warranty claims		(1,467	)		(3,682	)
Balance at end of year	$	1,374		$	1,938

Insider Trading Policies and Procedures	12 Months Ended
Insider Trading Policies and Procedures	Dec. 31, 2025
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted	true

Segment and Geographic Information

12 Months Ended

Dec. 31, 2025

Segment Reporting [Abstract]

Segment and Geographic Information

12. Segment and Geographic Information

The accounting policies of the Company’s reportable segment are the same as those described in the summary of significant accounting policies. The key measure of segment profit or loss that the CODM uses to allocate resources and assess performance is the Company’s net loss, as reported on the accompanying statements of operations. Net income is used to monitor budget versus actual results.

There are no intra-entity sales or transfers. All expense categories on the accompanying statements of operations are significant and there are no other expense categories regularly provided to the CODM beyond those disclosed in the accompanying statements of operations. The CODM manages the business using expense information as well as regularly provided budgeted or forecasted expense information for the single operating segment. The measure of segment assets is reported on the balance sheets as total consolidated

assets with particular emphasis on the Company’s available liquidity, including its cash, cash equivalents, restricted cash, and short-term investments.

The Company operates a manufacturing facility in Mexico. The Company’s long-lived tangible assets, net, as well as the Company’s operating lease right-of-use assets recognized on the balance sheets, located in Mexico were $6.0 million as of December 31, 2025.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

Commitments and Contingencies - Maturity of Operating Lease Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
2026	$ 2,058
2027	1,503
2028	729
2029	696
2030	717
2031	487
Total lease payments	6,190
Less: imputed interest	(1,180)
Present value of operating lease liabilities	5,010
Operating lease liabilities, current	1,739	$ 1,799
Operating lease liabilities, noncurrent	$ 3,271	$ 2,684

Revenue from Contracts with Customers - Summary of Revenue by Source (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation Of Revenue [Line Items]
Revenue	$ 119,476	$ 113,689	$ 130,376
Consoles Product
Disaggregation Of Revenue [Line Items]
Revenue	30,733	29,832	61,331
Consumables Product
Disaggregation Of Revenue [Line Items]
Revenue	54,075	51,145	42,206
Product Revenue
Disaggregation Of Revenue [Line Items]
Revenue	84,808	80,977	103,537
Service and Other Revenue
Disaggregation Of Revenue [Line Items]
Revenue	$ 34,668	$ 32,712	$ 26,839

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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-URI https://asc.fasb.org/1943274/2147479806/606-10-50-4

+ Details

Stock-Based Compensation - Summary of Stock-based Compensation Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Equity Incentive Plan [Line Items]
Total stock-based compensation expense	$ 15,616	$ 29,356	$ 38,634
Cost of Revenue
Equity Incentive Plan [Line Items]
Total stock-based compensation expense	583	1,372	1,805
Research and Development
Equity Incentive Plan [Line Items]
Total stock-based compensation expense	3,366	7,291	10,538
Sales and Marketing
Equity Incentive Plan [Line Items]
Total stock-based compensation expense	3,083	6,122	12,419
General and Administrative
Equity Incentive Plan [Line Items]
Total stock-based compensation expense	$ 8,584	$ 14,571	$ 13,872

Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Statements of Comprehensive Loss - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (81,653)	$ (127,976)	$ (172,797)
Other comprehensive income:
Unrealized gain (loss) on available-for-sale securities	130	(26)	632
Comprehensive loss	$ (81,523)	$ (128,002)	$ (172,165)

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

Term Loans (Tables)

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Schedule of Term Loan

Term loans consist of the following (in thousands):


	December 31,
	2025			2024
Principal of term loans	$	101,502		$	200,000
Unamortized debt discount		(5,265	)		(2,625	)
Term loans, noncurrent	$	96,237		$	197,375

Summary of Debt Maturities

The annual principal annual payments, excluding interest payments and the final fee, due on the term loan as of December 31, 2025 were as follows (in thousands):


Years Ending December 31:
2026 – 2029	$	—
2030		103,091
Total estimated principal payments		103,091
Less: estimated interest paid-in-kind		(1,589	)
Less: unamortized debt discount		(5,265	)
Total term loan, net of debt discount	$	96,237

Revenue from Contracts with Customers (Additional Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Deferred Revenue	$ 14.2
Revenue recognized	$ 11.2	$ 11.6	$ 8.7

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Balance Sheet Components - Summary of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 29,569	$ 29,158
Less: accumulated depreciation and amortization	(24,899)	(21,025)
Property and equipment, net	4,670	8,133
Tablos Under Operating Leases
Property, Plant and Equipment [Line Items]
Total property and equipment	0	238
Computers and Software
Property, Plant and Equipment [Line Items]
Total property and equipment	4,844	4,783
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	1,915	1,910
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	12,707	11,905
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	9,580	9,685
Construction In Progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 523	$ 637

Workforce Reduction - Summary of Workforce Reduction Plan Included in the Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Research and development	$ 21,235	$ 38,397	$ 57,307
Sales and marketing	54,361	70,044	96,232
General and administrative	$ 37,864	43,498	45,231
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Research and development
Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Cost of revenue	$ 0	579	129
Research and development	34	2,107	739
Sales and marketing	0	2,149	1,294
General and administrative	42	720	370
Total	$ (8)	$ 5,555	$ 2,532

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Section S99
-Paragraph 1B
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Reference 16: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Pay vs Performance Disclosure - USD ($) $ in Thousands	12 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ (81,653)	$ (127,976)	$ (172,797)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

Commitments and Contingencies - Schedule of Weighted-average Remaining Lease Term and Discount Rate (Detail)	Dec. 31, 2025	Dec. 31, 2024
Operating leases:
Weighted-average remaining lease term (in years)	4 years 1 month 6 days	2 years 4 months 24 days
Weighted-average discount rate	10.40%	8.80%

Term Loans

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Term Loan

7. Term Loans

Term loans consist of the following (in thousands):


	December 31,
	2025			2024
Principal of term loans	$	101,502		$	200,000
Unamortized debt discount		(5,265	)		(2,625	)
Term loans, noncurrent	$	96,237		$	197,375

SLR Credit Facilities

In November 2022, the Company entered into two senior secured credit facilities, which collectively provided for borrowings of up to $300.0 million as follows: (i) up to a $250.0 million term loan facility pursuant to a loan and security agreement (the SLR Loan Agreement) among SLR Investment Corp., as collateral agent (SLR Agent), the lenders from time to time party thereto (the Term Loan Lenders) and the Company (the SLR Term Loan Facility), and (ii) up to a $50.0 million asset-based revolving credit facility pursuant to a credit agreement (the SLR Revolving Credit Agreement, together with the SLR Loan Agreement, the SLR Credit Facility Agreements) among Gemino Healthcare Finance, LLC d/b/a SLR Healthcare ABL, as lender, and the Company (the SLR Revolver, together with the SLR Term Loan Facility, the SLR Credit Facilities).

As of December 31, 2024, $200.0 million was outstanding under the SLR Term Loan Facility and no amounts were outstanding under the SLR Revolver. On January 3, 2025, the Company terminated the SLR Credit Facility Agreements and repaid in full all amounts due, including a final payment of $7.5 million and a termination fee of $0.1 million, using the proceeds from the Perceptive Term Loan as described below, together with cash on hand. The repayment of the SLR Credit Facilities was accounted for as a debt extinguishment, which resulted in a loss on extinguishment of $7.7 million recorded in the accompanying statements of operations for the year ended December 31, 2025.

Perceptive Term Loan

On January 3, 2025, the Company entered into a senior secured credit facility for borrowings up to an aggregate principal amount of $125.0 million pursuant to the Perceptive Credit Agreement with Perceptive Credit Holdings IV, LP (who also participated in the Private Placement). Pursuant to the terms and conditions of the Perceptive Credit Agreement, the lenders agreed to extend term loans to the Company in an aggregate principal amount of up to $125.0 million, comprised of (i) a term loan of $100.0 million (the Initial Term Loan), which was funded on January 8, 2025 (the Closing Date), and (ii) a delayed draw term loan of up to $25.0 million (the Delayed Draw Loan). The Initial Term Loan and the Delayed Draw Loan are referred to collectively as the Perceptive Term Loan. The Delayed Draw Loan is available for funding until July 14, 2027, subject to the achievement of certain revenue milestone and other customary conditions.

The principal amount outstanding under the Loans will accrue interest at a rate per annum equal to (i) the greater of (a) one-month term SOFR or (b) 4.00% per annum, plus (ii) an applicable margin of 8.00%, payable monthly in arrears. During the first two years after the Closing Date, a portion of the accrued interest equal to 1.50% per annum will be paid in kind and added to the principal amount of the Loans on each monthly interest payment date. The outstanding principal amount of the Loans will be due and payable on the five year anniversary of the Closing Date (the Maturity Date).

The Company paid the lenders a non-refundable closing fee in the amount of $1.0 million in respect of the Initial Term Loan on the Closing Date. The Company is obligated to pay the lenders a non-refundable closing fee in the amount of $250,000 in respect of the Delayed Draw Loan, to be due and payable upon the funding of the Delayed Draw Loan.

On the Closing Date, the Company issued to Perceptive Credit Holdings IV, LP as the initial lender a warrant to purchase 375,000 of shares of the Company’s common stock (the Closing Date Warrant), at an exercise price equal to $12.00 per share. If the Company draws the Delayed Draw Loan, the Company is required to issue additional warrant(s) to the lenders to purchase 94,000 shares of the Company’s common stock (the Delayed Draw Warrant), at an exercise price equal to the average closing price of the Company’s common stock for the 5 trading days immediately preceding the issuance date of the Delayed Draw Warrant. Both the Closing Date Warrant and the Delayed Draw Warrant, if issued, are exercisable during the seven years after the date of issuance.

The fair value of the Closing Date Warrant of $4.4 million and the debt issuance costs paid directly to Perceptive Credit Holdings IV, LP along with other debt issuance costs amounting to $6.5 million were accounted for as a direct deduction from the term loan balance on the balance sheets and are being recognized as non-cash interest expense over the term of the loan using the effective interest method.

The Company may voluntarily prepay the outstanding loan(s), subject to a prepayment premium of (i) 10.0% of the principal amount of the prepaid loan(s), if prepaid prior to or on the first anniversary of the Closing Date, (ii) 8.0% of the principal amount of the prepaid Loans, if prepaid after the first anniversary of the Closing Date through and including the second anniversary of the Closing Date, (iii) 4.0% of the principal amount of the prepaid loan(s), if prepaid after the second anniversary of the Closing Date through and including the third anniversary of the Closing Date, (iv) 2.0% of the principal amount of the prepaid Loans, if prepaid after the third anniversary of the Closing Date through and including the fourth anniversary of the Closing Date, and (v) 0.00% of the principal amount of the prepaid loan(s), if prepaid after the fourth anniversary of the Closing Date.

The Perceptive Credit Agreement contains customary representations and warranties and customary affirmative and negative covenants, including, among others, requirements as to financial reporting and insurance and restrictions on the Company’s ability to dispose of its business or property, to change its line of business, to liquidate or dissolve, to enter into any change in control transaction, to merge or consolidate with any other entity or to acquire all or substantially all the capital stock or property of another entity, to incur additional indebtedness, to incur liens on its property or to pay any dividends or other distributions on capital stock, in each case with certain exceptions. The Company has also agreed to certain financial covenants that require the Company to (i) maintain a minimum cash balance of at least $10.0 million in accounts subject to control agreements in favor of Agent, and (ii) achieve certain trailing twelve-month net revenue targets as set forth in the Perceptive Credit Agreement.

In addition, the Perceptive Credit Agreement contains customary events of default that entitle the Agent to cause the Company’s indebtedness under the Perceptive Credit Agreement to become immediately due and payable, and to exercise remedies against the Company and the collateral securing the obligations owed under the Perceptive Credit Agreement. Under the Perceptive Credit Agreement, an event of default will occur if, among other things, the Company fails to make payments under the Perceptive Credit Agreement, the Company breaches certain covenants under the Perceptive Credit Agreement, subject to specified cure periods with respect to certain breaches, a material adverse change or a material regulatory event has occurred under the Perceptive Credit Agreement, or the Company or its assets become subject to certain legal proceedings, such as bankruptcy proceedings. Upon the occurrence and for the duration of an event of default, an additional default interest rate equal to 4.0% per annum will apply to all obligations owed under the Perceptive Credit Agreement.

The annual principal annual payments, excluding interest payments and the final fee, due on the term loan as of December 31, 2025 were as follows (in thousands):


Years Ending December 31:
2026 – 2029	$	—
2030		103,091
Total estimated principal payments		103,091
Less: estimated interest paid-in-kind		(1,589	)
Less: unamortized debt discount		(5,265	)
Total term loan, net of debt discount	$	96,237

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147477092/405-40-50-1

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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Reference 16: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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Reference 18: http://www.xbrl.org/2003/role/disclosureRef
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Reference 19: http://www.xbrl.org/2003/role/disclosureRef
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Reference 20: http://www.xbrl.org/2003/role/disclosureRef
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Reference 21: http://www.xbrl.org/2003/role/disclosureRef
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Reference 22: http://www.xbrl.org/2003/role/disclosureRef
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Reference 23: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I

+ Details

Statements of Operations - USD ($) $ in Thousands	12 Months Ended
Statements of Operations - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue:
Revenue	$ 119,476	$ 113,689	$ 130,376
Cost of revenue:
Cost of revenue	72,722	75,125	101,376
Gross profit	46,754	38,564	29,000
Operating expenses:
Research and development	21,235	38,397	57,307
Sales and marketing	54,361	70,044	96,232
General and administrative	37,864	43,498	45,231
Total operating expenses	113,460	151,939	198,770
Loss from operations	(66,706)	(113,375)	(169,770)
Interest income and other income, net	7,408	9,761	10,171
Interest expense	(13,952)	(23,871)	(12,675)
Loss on extinguishment of term loan	(7,685)	0	0
Loss before provision for income taxes	(80,935)	(127,485)	(172,274)
Provision for income taxes	718	491	523
Net loss	$ (81,653)	$ (127,976)	$ (172,797)
Net loss per share, basic	$ (5.37)	$ (36.96)	$ (52.28)
Net loss per share, diluted	$ (5.37)	$ (36.96)	$ (52.28)
Shares used in computing net loss per share, basic	15,211	3,463	3,305
Shares used in computing net loss per share, diluted	15,211	3,463	3,305
Product Revenue
Revenue:
Revenue	$ 84,808	$ 80,977	$ 103,537
Cost of revenue:
Cost of revenue	43,765	46,449	74,454
Service and Other Revenue
Revenue:
Revenue	34,668	32,712	26,839
Cost of revenue:
Cost of revenue	$ 28,957	$ 28,676	$ 26,922

Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2025

Earnings Per Share [Abstract]

Schedule of Outstanding Potentially Dilutive Shares were Excluded from Calculation of Diluted Net Loss Per Share

The following outstanding potentially dilutive shares have been excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (in thousands):


	Years Ended December 31,
	2025		2024		2023
Stock options to purchase common stock		81		92		129
Restricted stock units		709		229		172
Performance stock units		7		17		13
Shares committed under ESPP		123		44		21
Warrants to purchase common stock		375		4		4
Total		1,295		386		339

Revenue from Contracts with Customers

12 Months Ended

Dec. 31, 2025

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customers

3. Revenue from Contracts with Customers

Disaggregation of Revenue

Revenue by source consisted of the following (in thousands):


	Years Ended December 31,
	2025		2024		2023
Consoles	$	30,733	$	29,832	$	61,331
Consumables		54,075		51,145		42,206
Total product revenue		84,808		80,977		103,537
Service and other revenue		34,668		32,712		26,839
Total revenue	$	119,476	$	113,689	$	130,376

Remaining Performance Obligations and Contract Liabilities

As of December 31, 2025, the aggregate amount of the transaction price allocated to the remaining performance obligations related to service agreements that are unsatisfied or partially unsatisfied was $14.2 million, which is recorded as deferred revenue on the Company’s balance sheet. Of that amount, $13.8 million will be recognized as revenue during the year ended December 31, 2026 and $0.4 million thereafter.

The contract liabilities consist of deferred revenue which represents payments received in advance of revenue recognition. During the years ended December 31, 2025, 2024 and 2023, the Company recognized $11.2 million, $11.6 million and $8.7 million, respectively, of previously deferred revenue.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-9

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-URI https://asc.fasb.org/1943274/2147479806/606-10-50-12

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-12

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-Name Accounting Standards Codification
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-Paragraph 12
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-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 13
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-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/606/tableOfContent

+ Details

Commitments and Contingencies

12 Months Ended

Dec. 31, 2025

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

6. Commitments and Contingencies

Leases

In September 2019, the Company entered into an operating lease agreement for its facility and office space in San Jose, CA that commenced in April 2020 and expires in March 2027. This operating lease contains a free rent period and an escalation clause. The landlord provided the Company with a tenant improvement allowance of up to $2.0 million. The Company issued an irrevocable standby letter of credit in the amount of $0.3 million in lieu of a cash security deposit. The letter of credit is fully secured by cash held at the bank in a restricted account.

In May 2020, the Company entered into an operating lease agreement for its manufacturing facility in Tijuana, Mexico that commenced in May 2020. This operating lease contains a free rent period and an escalation clause. The Company issued an irrevocable standby letter of credit in the amount of $3.0 million, in lieu of a cash security deposit. The letter of credit is fully secured by cash held at the bank in a restricted account. In December 2025, the Company determined that it was reasonably certain that the Company would exercise one of the two five-year renewal options and re-measured the related operating lease liabilities with the adjustment to the ROU assets accordingly. With the expected renewal, the lease will expire in August 2031.

In May 2023, the Company entered into on an operating lease agreement for office space in Tijuana, Mexico for certain research and development and general and administrative activities. The lease will expire in 2028.

All three building leases include renewal options at the election of the Company to renew or extend the lease. The Company evaluates renewal options at lease inception and on an ongoing basis and includes renewal options that it is reasonably certain to exercise in its expected lease terms when classifying leases and measuring lease liabilities.

In December 2025, the Company entered into a master lease agreement for vehicles and expects that the individual underlying vehicle leases will be commenced in 2026. The Company issued an irrevocable standby letter of credit in the amount of $0.5 million in lieu of a cash security deposit. The letter of credit is fully secured by cash held at the bank in a restricted account.

The components of lease costs were as follows (in thousands):


	Years ended December 31,
	2025		2024		2023
Operating lease costs	$	1,892	$	1,892	$	1,837
Variable lease costs		423		351		435
Short-term lease costs		35		115		94


Total lease costs		$	2,350			$	2,358			$	2,366

The weighted-average remaining lease term and discount rate were as follows:


	December 31,
	2025		2024
Weighted-average remaining lease term (in years)		4.1		2.4
Weighted-average discount rate	10.4%		8.8%

The maturity of the Company’s operating lease liabilities as of December 31, 2025 were as follows (in thousands):


Years Ending December 31:
2026	$	2,058
2027		1,503
2028		729
2029		696
2030		717
2031		487
Total lease payments		6,190
Less: imputed interest		(1,180	)
Present value of operating lease liabilities	$	5,010
Operating lease liabilities, current	$	1,739
Operating lease liabilities, noncurrent	$	3,271

Purchase Commitments

The Company’s commitments as of December 31, 2025 were $38.3 million relating to the Company’s open purchase orders and contractual obligations that occur in the ordinary course of business, including commitments with contract manufacturers and suppliers for which the Company has not received the goods or services, commitments for capital expenditures, consulting activities for which the Company has not received the services, and subscription of software services. Although open purchase orders are considered enforceable and legally binding, the terms generally allow the Company the option to cancel within a reasonable period, reschedule, and adjust its requirements based on its business needs prior to the delivery of goods or performance of services.

Litigation

On August 29, 2024, a purported stockholder class action lawsuit (the Porcelli Complaint), Porcelli v. Outset Medical, Inc., et al., 5:24-cv-06124-EJD, was filed in the U.S. District Court for the Northern District of California, against the Company, its Chief Executive Officer, and then-Chief Financial Officer. On October 18, 2024, a second purported stockholder class action lawsuit (the Plymouth Complaint; together with the Porcelli Complaint, the Class Actions), Plymouth County Retirement Association v. Outset Medical, Inc., et al., 5:24-cv-06124-HSG, was filed in the same court. The second lawsuit also named the Company’s prior Chief Financial Officer as a defendant (together with the CEO and then-CFO, the Class Defendants). The Porcelli Complaint alleged that, between August 1, 2022 and August 7, 2024, defendants made materially false or misleading statements in violation of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended (Exchange Act) regarding the Company’s business, operations, and prospects related to the sale and marketing of the Tablo Hemodialysis System and TabloCart with Prefiltration, including concerning the impact of certain FDA processes for these products on the Company’s revenue growth. The Plymouth Complaint alleged similar violations between September 15, 2020 and August 7, 2024. On March 18, 2025, the court consolidated the Class Actions into one action captioned In re Outset Medical, Inc. Securities Litigation, Case No. 5:24-cv-06124-EJD, appointing a Lead Plaintiff and Lead Counsel. The Lead Plaintiff filed its consolidated amended complaint on June 6, 2025. The Class Defendants filed a motion to dismiss the consolidated amended complaint on August 14, 2025, the Lead Plaintiff filed its opposition on October 6, 2025, and the Class Defendants filed their reply in support of the motion to dismiss on November 17, 2025. A hearing on the Class Defendants’ motion to dismiss took place on January 22, 2026. The court took the matter under submission and has not yet issued a ruling.

On November 29, 2024, an Outset stockholder purporting to act on behalf of the Company filed an action in the U.S. District Court for the Northern District of California against current and former members of Outset’s Board of Directors and certain of its officers (the Derivative Defendants), alleging that the Derivative Defendants breached their fiduciary duties to the Company in connection with the same alleged events and alleged materially false and misleading statements asserted in the Class Actions described above. Three additional substantively duplicative actions were filed in the U.S. District Court for the Northern District of California on April 28, 2025, May 8, 2025, and June 16, 2025. The complaints seek unspecified monetary damages and other relief. On July 17, 2025, the court entered a stay of all derivative actions pending the outcome of the Class Defendants’ motion to dismiss the consolidated amended complaint.

The cases are at a very early stage and the Company cannot currently estimate the loss or the range of possible losses it may experience in connection with this litigation.

In addition, from time to time, the Company may become involved in other legal proceedings or investigations, which could have an adverse impact on its reputation, business and financial condition and divert the attention of the Company’s management from the operation of the Company’s business.

Indemnifications

In the ordinary course of business, the Company often includes standard indemnification provisions in its arrangements with its partners, customers and suppliers. Pursuant to these provisions, the Company may be obligated to indemnify such parties for losses or claims suffered or incurred in connection with its service, breach of representations or covenants, intellectual property infringement or other claims made against such parties. These provisions may limit the time within which an indemnification claim can be made. It is not possible to determine the maximum potential amount under these indemnification obligations due to the limited history of prior indemnification claims and the unique facts and circumstances involved in each particular agreement. To date, the Company has not incurred any material costs as a result of such indemnification obligations and has not accrued any liabilities related to such obligations in these financial statements.

Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accounts Receivable, Allowance for Credit Loss

Accounts Receivable

The following table presents the activity in the Company’s allowance for credit losses (in thousands):


	December 31,
	2025			2024
Balance at beginning of year	$	2,577		$	203
Increase in allowance		4,487			2,381
Write-offs		(972	)		(7	)
Balance at end of year	$	6,092		$	2,577

Schedule of Inventories

Inventories consist of the following (in thousands):


	December 31,
	2025		2024
Raw materials	$	27,183	$	25,703
Work in process		7,316		9,973
Finished goods		13,110		23,711
Total inventories	$	47,609	$	59,387

Summary of Property Plant and Equipment

Property and Equipment, net

Property and equipment, net consisted of the following (in thousands):


	December 31,
	2025			2024
Tablos under operating leases	$	—		$	238
Computers and software		4,844			4,783
Furniture and fixtures		1,915			1,910
Machinery and equipment		12,707			11,905
Leasehold improvements		9,580			9,685
Construction in progress		523			637
Total property and equipment	$	29,569		$	29,158
Less: accumulated depreciation and amortization		(24,899	)		(21,025	)
Property and equipment, net	$	4,670		$	8,133

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):


	December 31,
	2025		2024
Inventory	$	2,245	$	2,079
Research and development expenses		159		219
Professional services		1,022		1,084
Customer rebates		1,937		1,733
Other		4,070		3,090
Total accrued expenses and other current liabilities	$	9,433	$	8,205

Accrued Warranty Liability

The change in accrued warranty liability is presented in the following table (in thousands):


	December 31,
	2025			2024
Balance at the beginning of year	$	1,938		$	3,712
Warranties issued and adjustments to provisions		903			1,908
Warranty claims		(1,467	)		(3,682	)
Balance at end of year	$	1,374		$	1,938

Related Party Transactions

12 Months Ended

Dec. 31, 2025

Related Party Transactions

14. Related Party Transactions

As discussed in Note 8, certain of the Company’s directors, officers and employees purchased 19,000 shares of Series A Convertible Preferred Stock for a total purchase price of $3.9 million in March 2025. These shares of Series A Convertible Preferred Stock were subsequently converted to common stock.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-5

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-6

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477968/946-235-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477968/946-235-50-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(e))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/850/tableOfContent

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-6

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

+ Details

Commitment and Contingencies (Additional Information) (Detail) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	May 31, 2020	Sep. 30, 2019	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Commitments And Contingencies [Line Items]
Operating lease option to extend		renewal options at the election of the Company to renew or extend the lease
Lease renewal term			5 years
Restricted cash			$ 38,835	$ 127,343	$ 71,838
Purchase Commitments
Commitments And Contingencies [Line Items]
Open purchase commitments			38,300
Standby Letters of Credit
Commitments And Contingencies [Line Items]
Restricted cash			500
San Jose, CA
Commitments And Contingencies [Line Items]
Tenant improvement allowance		$ 2,000
Operating lease commencement month and year		2020-04
Operating lease expiration month and year		2027-03
San Jose, CA \| Standby Letters of Credit
Commitments And Contingencies [Line Items]
Letter of credit issued in lieu of a cash security deposit			$ 300
Mexico
Commitments And Contingencies [Line Items]
Operating lease option to extend	renewal options at the election of the Company to renew or extend the lease
Operating lease commencement month and year	2020-05
Operating lease expiration month and year			2031-08
Mexico \| Standby Letters of Credit
Commitments And Contingencies [Line Items]
Letter of credit issued in lieu of a cash security deposit			$ 3,000

Fair Value Measurements - Summary of Remaining Contractual Maturities (Details) $ in Thousands	Dec. 31, 2025 USD ($)
Fair Value, Separate Account Investment [Line Items]
Due within one year	$ 124,373
After one but within five years	9,567
Total	$ 133,940

Description of Business - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Description Of Business [Line Items]
Net loss		$ 81,653	$ 127,976	$ 172,797
Cash outflow from operating activities		46,300	116,300	$ 131,400
Accumulated deficit		(1,171,376)	(1,089,723)
Long Term Loan Amount	$ 100,000
Duration of long term loan	5 years
Restricted cash		3,829	$ 3,329
Cash, cash equivalents, restricted cash and short-term investments		$ 172,800
Maximum
Description Of Business [Line Items]
Additional Long Term Loan Amount	$ 25,000

Balance Sheet Components - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Total depreciation and amortization expense	$ 4,300	$ 5,700	$ 5,800
Restricted cash balance	$ 3,829	$ 3,329	$ 3,329

Subsequent Event

12 Months Ended

Dec. 31, 2025

Subsequent Events [Abstract]

Subsequent Event

15. Subsequent Event

On January 22, 2026, upon the recommendation of the Company’s Compensation Committee, the Company’s Board of Directors (the Board) adopted the Outset Medical, Inc. Inducement Plan (the Inducement Plan), effective February 10, 2026. Under the Inducement Plan, 250,000 shares of the Company’s common stock, par value $0.001 per share, are reserved for issuance solely to individuals who were not previously employees or directors of the Company, or who are returning to employment following a bona fide period of non-employment, as an inducement material to such individuals’ entry into employment with the Company for purposes of Rule 5635(c)(4) of the Nasdaq Stock Market Marketplace Rules (Rule 5635(c)(4)). The Inducement Plan was adopted by the Board without stockholder approval in reliance on Rule 5635(c)(4). The Inducement Plan incorporates the terms and conditions of the Company’s stockholder-approved 2020 Equity Incentive Plan, except as otherwise provided in the Inducement Plan and provided that incentive stock options may not be granted under the Inducement Plan.

Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Payables and Accruals [Abstract]
Inventory	$ 2,245	$ 2,079
Research and development expenses	159	219
Professional services	1,022	1,084
Customer rebates	1,937	1,733
Other	4,070	3,090
Total accrued expenses and other current liabilities	$ 9,433	$ 8,205

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value Disclosures [Abstract]

Summary of Financial Assets Measured at Fair Value On Recurring Basis by Level Within Fair Value Hierarchy

The following tables summarize the Company’s financial assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):


		December 31, 2025
	Valuation Hierarchy	Amortized Costs		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Aggregate Fair Value
Assets:
Cash equivalents:
Money market funds	Level 1	$	24,253	$	—	$	—		$	24,253
Short-term investments:
U.S. Treasury securities	Level 1		77,622		109		—			77,731
Corporate debt	Level 2		47,111		56		(1	)		47,166
Commercial paper	Level 2		5,909		4		—			5,913
Foreign entity bond	Level 2		3,126		4		—			3,130
Total cash equivalents and short-term investments		$	158,021	$	173	$	(1	)	$	158,193


		December 31, 2024
	Valuation Hierarchy	Amortized Costs		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Aggregate Fair Value
Assets:
Cash equivalents:
Money market funds	Level 1	$	110,979	$	—	$	—		$	110,979
Short-term investments:
Corporate debt	Level 2		34,629		43		(1	)		34,671
Total cash equivalents and short-term investments		$	145,608	$	43	$	(1	)	$	145,650

Schedule of the Remaining Contractual Maturities for Short-Term Investments

As of December 31, 2025, the remaining contractual maturities for short-term investments were as follows (in thousands):


	Aggregate Fair Value
Due within one year	$	124,373
After one but within five years		9,567
Total	$	133,940

Stock-Based Compensation - Schedule of Employees Stock Purchase Plan (ESPP) (Details) - Employees Share Purchase Plan (ESPP) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Dividend yield	0.00%	0.00%	0.00%
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (in years)	2 years	2 years	2 years
Expected volatility	146.40%	215.20%	61.60%
Risk-free interest rate	4.30%	5.20%	5.40%
Grant Date Fair Value	$ 7.19	$ 31.65	$ 124.05
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (in years)	5 months 26 days	5 months 26 days	5 months 26 days
Expected volatility	71.00%	81.70%	53.30%
Risk-free interest rate	3.60%	3.80%	4.80%
Grant Date Fair Value	$ 4.18	$ 2.25	$ 48.75

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-Topic 718
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-Paragraph 1D
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-URI https://asc.fasb.org/1943274/2147480483/718-10-35-1D

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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 27: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 28: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 29: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 30: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2025

Subsidiary, Sale of Stock [Line Items]

Summary of Stock Option Activity

A summary of the Company’s stock option activity under the Plans is set forth below (in thousands, except exercise price and remaining contractual life data):


	Outstanding Options			Weighted- Average Exercise Price		Weighted- Average Remaining Terms (Years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2024		92		$	198.87
Forfeited and expired		(11	)	$	307.06
Outstanding as of December 31, 2025		81		$	183.26		3.61	$	—
Exercisable as of December 31, 2025		81		$	183.26		3.61	$	—

Summary of Restricted Stock Activity

Restricted stock activity was as follows (in thousands, except per share amounts):


	Restricted Stock Units			Performance Stock Units			Weighted-Average Grant Date Fair Value Per Share
	(RSU)			(PSU)			RSU		PSU
Outstanding as of December 31, 2024		229			97		$	93.97	$	112.35
Granted		743			162		$	19.39	$	11.31
Released		(129	)		(33	)	$	102.55	$	115.52
Forfeited		(134	)		(23	)	$	48.25	$	53.87
Outstanding as of December 31, 2025		709			203		$	22.86	$	39.30

Summary of Stock-based Compensation Expense

The following table sets forth stock-based compensation expense included in the statements of operations (in thousands):


	Years Ended December 31,
	2025		2024		2023
Cost of revenue	$	583	$	1,372	$	1,805
Research and development		3,366		7,291		10,538
Sales and marketing		3,083		6,122		12,419
General and administrative		8,584		14,571		13,872
Total stock-based compensation expense	$	15,616	$	29,356	$	38,634

Employee Stock Purchase Plan (ESPP)

Subsidiary, Sale of Stock [Line Items]

Summary of Estimated Fair Value of Stock Option Grants

The grant date fair value and assumptions used in estimating the fair value of the stock purchase rights under the ESPP were as follows:


	Years Ended December 31,
	2025	2024	2023
Expected term (in years)	0.49 – 2.00	0.49 – 2.00	0.49 – 2.00
Expected volatility	71.0% – 146.4%	81.7% – 215.2%	53.3% – 61.6%
Risk-free interest rate	3.6% – 4.3%	3.8% – 5.2%	4.8% – 5.4%
Dividend yield	0%	0%	0%
Grant Date Fair Value	$4.18–$7.19	$2.25 – $31.65	48.75–$124.05

Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Dec. 31, 2025
Accounting Policies [Abstract]
Use Of Estimates	Use of Estimates The preparation of the financial statements in conformity with U.S. GAAP requires management to make judgments, estimates, and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenue and expenses. These judgments, estimates and assumptions are used for, but not limited to, revenue recognition, allowance for credit losses, inventory valuation and write-downs, warranty obligations, the fair value of equity awards, the valuation of investments, recoverability of the Company’s net deferred tax assets, and certain accrued expenses. The Company evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors and adjusts those estimates and assumptions when facts and circumstances dictate. Actual results may differ from those estimates under different assumptions or conditions and the differences may be material.
Concentration of Credit Risk and Other Risks and Uncertainties	Concentration of Credit Risk and Other Risks and Uncertainties Financial instruments that potentially subject the Company to a concentration of credit risk consist of cash and cash equivalents, restricted cash, short-term investments, and accounts receivable. Substantially all the Company’s cash and cash equivalents, restricted cash, and investments are held at one financial institution in the United States that management believes is of high credit quality. Such investments may, at times, exceed federally insured limits or may not be covered by deposit insurance at all. For the year ended December 31, 2025, 2024 and 2023, the Company’s largest customer accounted for 15%, 16%, and 13% of revenues, respectively. Accounts receivable are unsecured; however, the Company does assess the collectability of accounts receivable based on a number of factors, including past transaction history with, and the creditworthiness of, the customer. Accordingly, the Company is exposed to credit risk associated with accounts receivable. To reduce risk, the Company closely monitors the amounts due from its customers and assesses the financial strength of its customers through a variety of methods that include, but are not limited to, engaging directly with customer operations and leadership personnel, visiting customer locations to observe operating activities, and assessing customer longevity and reputation in the marketplace. A material default in payment or a material reduction in purchases from these or any other large customers could have a material adverse impact on the Company’s financial condition, results of operations, and liquidity. Two customers accounted for 11% and 10% of accounts receivable as of December 31, 2025. One customer accounted for 16% of accounts receivable as of December 31, 2024. The Company manufactures Tablo consoles, and a substantial majority of Tablo cartridges, at its manufacturing facility in Tijuana, Mexico which it operates in collaboration with its outsourced business administration service provider, TACNA. The Company is subject to a number of risks associated with operating its Mexico-based manufacturing facility, and many of these risks may heighten to the extent the Company continues to ramp its cartridge manufacturing capabilities and increase its dependence on the Mexico-based manufacturing operations. The Company may experience strikes, work stoppages, work slowdowns, high personnel turnover, grievances, complaints, claims of unfair labor practices, other collective bargaining disputes or other labor disputes at its facility. The manufacturing operations at the facility may also suffer disruptions from global or regional public health crises such as the COVID-19 pandemic, natural disasters, cyber security attacks, vandalism, terrorism or other political hostilities. Any such occurrences could negatively impact the Company’s ability to produce Tablo consoles and cartridges. The Company is also subject to a variety of foreign laws and regulations, including trade and labor restrictions and laws relating to importation, exportation and taxation of goods, and U.S. laws and regulations relating to foreign operations. In addition, because certain of its Mexico-based manufacturing operations incur costs that are denominated in MXN, the Company is exposed to additional risk of currency fluctuations between USD and MXN, which could increase its product and labor costs, thus reducing its gross profit. To date, foreign currency transaction gains and losses have not been material to the Company’s financial statements.
Fair Value of Financial Instruments	Fair Value of Financial Instruments The Company determines the fair value of an asset or liability based on the assumptions that market participants would use in pricing the asset or liability in an orderly transaction between market participants at the measurement date. The identification of market participant assumptions provides a basis for determining what inputs are to be used for pricing each asset or liability. The Company classifies financial instruments using a three-tiered fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. The Company’s cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued liabilities approximate their fair value due to their short maturities.
Credit Losses	Credit Losses Accounts receivable. Accounts receivable are recorded at invoice value, net of any allowance for credit losses. The allowance for credit losses is based on the Company’s assessment of its best estimate of the amount of receivables that will not be collected over the estimated life of the assets. The allowance is calculated by considering previous loss history, delinquency of receivables balances, current and anticipated future economic conditions that may affect a customer’s ability to pay. To the extent an individual customer’s credit quality deteriorates, the Company measures an allowance based on the risk characteristics of the individual customer. Once a receivable is deemed to be uncollectible, such balance is charged against the allowance. The allowance is calculated at each reporting period with changes recorded to general and administrative expense in the statements of operations. The Company writes off accounts receivable when the Company has exhausted collection efforts without success, and payments subsequently received on such receivables are credited to the allowance in the period the payment is received. Available-for-sale debt securities. The Company primarily holds money market funds, U.S. Treasury securities, corporate debt securities, commercial paper, and foreign entity bonds. The Company regularly reviews the securities in an unrealized loss position and evaluates the current expected credit loss by considering factors such as historical experience, market data, financial condition and near-term prospects of the investee, the extent of the loss related to the credit of the issuer, and the expected cash flows from the security. The Company segments its portfolio based on the underlying risk profiles of the securities and has a zero-loss expectation for U.S. Treasury securities. The basis for this assumption is that these securities have consistently high credit ratings by rating agencies, have a long history with no credit losses, are explicitly guaranteed by a sovereign entity, which can print its own currency, and are denominated in a currency that is routinely held by central banks, used in international commerce, and commonly viewed as a reserve currency. Additionally, all of the Company’s other investments are in securities with high-quality credit ratings, which have historically experienced low rates of default.
Cash Equivalents and Short-Term Investments	Cash Equivalents and Short-Term Investments The Company considers all highly liquid investments with an original maturity of three months or less from the date of purchase to be cash equivalents. Cash equivalents are stated at fair value and consist primarily of amounts invested in money market funds. The Company primarily holds U.S. Treasury securities, corporate debt securities, commercial paper, and foreign entity bonds, and has the ability, if necessary, to liquidate any of its investments to meet its liquidity needs in the next 12 months, without significant penalty. Accordingly, those investments with contractual maturities greater than one year from the date of purchase are classified as short-term investments on the accompanying balance sheets. Short-term investments have been classified as available-for-sale at the time of purchase. The Company evaluates the appropriate classification of its investments as of each balance sheet date. The Company’s investment securities are recorded at fair value based on the fair value hierarchy. Money market funds and U.S. Treasury securities are classified within Level 1 of the fair value hierarchy. Other securities are classified within Level 2 of the fair value hierarchy. Unrealized gains and losses, deemed temporary in nature, are reported as a separate component of accumulated other comprehensive income (loss). A decline in the fair value of any security below cost that is deemed other than temporary results in a charge to earnings and the corresponding establishment of a new cost basis for the security. Premiums (discounts) are amortized (accreted) into interest income over the life of the related security as an adjustment to yield using the straight-line interest method. Dividend and interest income are recognized when earned. Realized gains and losses are included in earnings and are derived using the specific identification method for determining the cost of securities sold.
Inventories	Inventories Inventory is stated at the lower of cost or net realizable value, with approximate costs determined on a first-in, first-out basis. Inventory costs include direct materials, direct labor, and normal manufacturing overhead. The carrying value of inventories is reduced for any products that are considered excessive or obsolete based upon assumptions about future demand and market conditions. Any write-down of its inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded to cost of revenue on the statements of operations.
Property and Equipment, Net	Property and Equipment, Net Property and equipment, net is stated at cost, net of accumulated depreciation. Depreciation is generally computed using the straight-line method based on the estimated useful lives of the assets, which is generally two to five years. Leasehold improvements are amortized using the straight-line method over the shorter of the assets estimated useful lives or the remaining term of the lease. Maintenance and repairs are charged to expense as incurred. Significant improvements that substantially enhance the useful life of an asset are capitalized and depreciated. When assets are retired or disposed of, the cost together with related accumulated depreciation is removed from the balance sheet and any resulting gain or loss is reflected in the statements of operations in the period realized. Long-lived assets, such as property and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If circumstances require a long-lived asset or asset group to be tested for possible impairment, the Company first compares undiscounted cash flows expected to be generated by that asset or asset group to its carrying value. If the carrying value of the long-lived asset or asset group is not recoverable on an undiscounted cash flow basis, an impairment is recognized to the extent that the carrying value exceeds its fair value. Fair value is determined through various valuation techniques including discounted cash flow models, quoted market values and third-party independent appraisals, as considered necessary. There were no such impairment losses as of December 31, 2025 and 2024.
Leases	Leases The Company determines if an arrangement is a lease at inception by assessing whether the arrangement contains an identified asset and whether it has the right to control the identified asset. Right-of-use (ROU) assets represent the Company’s right to use an underlying asset for the lease term. Operating lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Lease liabilities are recognized at the lease commencement date based on the present value of future lease payments over the lease term. ROU assets are based on the measurement of the lease liability and also include any lease payments made prior to or on lease commencement and exclude lease incentives and initial direct costs incurred, as applicable. As the implicit rate in the Company’s leases is generally unknown, the Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of lease payments. The lease terms may include options to extend or terminate the lease when the Company is reasonably certain it will exercise such options. Lease costs for the Company’s operating leases are recognized on a straight-line basis over the reasonably assured lease term. Variable lease payments include lease operating expenses. The Company has elected to not separate lease and non-lease components for any leases within its existing classes of assets and, as a result, accounts for any lease and non-lease components as a single lease component. The Company has also elected to not apply the recognition requirement to any leases within its existing classes of assets with a term of 12 months or less and does not include an option to purchase the underlying asset that the Company is reasonably certain to exercise.
Accrued Warranty Liability	Accrued Warranty Liability The Company generally provides a one-year warranty for defective parts and workmanship on its Tablo consoles, commencing upon the transfer of title and risk of loss to the customer. The Company accrues the estimated cost of product warranties when it invoices the customer, based on historical experience and expected results. Should actual product failure rates and material usage costs differ from these estimates, revisions to the estimated warranty liability would be required. The Company periodically assesses the adequacy of its recorded product warranty liabilities and adjusts the balance as required. Warranty expense is recorded as a component of cost of product revenue in the statements of operations.
Contract Liabilities - Deferred Revenue	Contract Liabilities - Deferred Revenue The timing of revenue recognition may differ from the timing of invoicing to customers. The Company records deferred revenue when revenue is recognized subsequent to invoicing. For service agreements, the Company generally invoices customers annually at the beginning of each annual coverage period. Deferred revenue that will be recognized during the 12 months following the balance sheet date is recorded as the current portion of deferred revenue and the remaining portion is recorded as noncurrent.
Common Stock Warrant	Common Stock Warrant The Company has accounted for its freestanding warrants to purchase shares of the Company’s common stock as equity at fair value upon issuance primarily because the warrants are indexed to the Company’s own common stock. The Company estimated the fair value of these warrants using the Black-Scholes option pricing model, which is considered to be a Level 3 fair value measurement. Assumptions used in the pricing model were based on the individual characteristics of the warrants on the valuation date, as well as assumptions for expected volatility, expected term, and risk-free interest rate.
Revenue	Revenue The Company generates revenue primarily from the sale of its products and services. Product revenue consists primarily of sales of Tablo consoles and related consumables, including Tablo cartridges and accessories. Service and other revenue consists primarily of revenue generated from service agreements and other revenue from shipping and handling charged to customers. Each customer contract defines our distinct performance obligations and the associated transaction price for each obligation. Tablo consoles and consumables are generally sold without the right of return. Revenue is recognized when a performance obligation is satisfied. Revenue from product sales is recognized at a point in time when management has determined that control has transferred to the customer, which is generally when legal title has transferred to the customer. Revenue from service agreements is recognized over time as the service is performed, typically evenly over the service period. Certain contracts include variable consideration such as rebates, revenue for such contracts is recognized only to the extent that it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. Revenue is recognized net of any taxes collected from customers, which are subsequently remitted to governmental authorities. The Company’s contracts with customers often include multiple performance obligations, such as products and services. The Company determines the SSP based upon the facts and circumstances of each performance obligation (product or services), which often requires management’s judgment. The Company uses an observable price to estimate SSP for items that are sold separately, including service agreements. In instances where SSP is not directly observable, such as when the Company does not sell the product or service separately, the Company determines the SSP using information that may include market conditions and other observable inputs and allocates the contracted transaction price to each distinct performance obligation based upon the relative SSP. The Company may offer additional goods or services to customers at the inception of customer contracts at prices not at SSP. If such contracts result in a material right, the Company allocates part of the transaction price to that right and recognizes the associated revenue when those future goods and services are transferred to the customer. SSP is assigned based on the estimated value of the material right. The Company establishes SSP ranges for its products and services and reassesses them periodically. Costs associated with product sales include commissions. The Company applies the practical expedient to expense the commissions as incurred as the expected amortization period is one year or less. Commissions are recorded as sales and marketing expenses in the statements of operations. Shipping and Handling Costs Shipping and handling charged to customers are recorded as revenue. Shipping and handling costs are expensed as incurred and are included in sales and marketing expenses.
Stock-Based Compensation Expense	Stock-Based Compensation Expense Stock-based compensation expense relates to stock options with a service-based vesting condition, stock purchase rights under the ESPP, Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) with performance or market-based vesting conditions. Stock-based compensation expense for the Company’s stock-based awards is based on their grant date fair value. The fair value of stock options with a service condition and stock purchase rights under the ESPP on the grant date is estimated using the Black-Scholes option-pricing model. The fair value of these awards is recognized as compensation expense on a straight-line basis over the requisite service period in which the awards are expected to vest and forfeitures are recognized as they occur. The Black-Scholes model considers several variables and assumptions in estimating the fair value of service-based stock options and stock purchase rights under the ESPP. These variables include the per share fair value of the underlying common stock, exercise price, expected term, risk-free interest rate, expected annual dividend yield and expected stock price volatility over the expected term. The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to the expected term on the equity settled award. The fair value of RSUs and PSUs with a service- or performance-based vesting condition is based on the market price of the Company’s common stock on the date of grant. The determination of the stock-based compensation expense related to PSUs to be recognized in the statements of operations requires the use of certain estimates and assumptions. At each reported period, the Company reassesses the probability of the achievement of corporate performance goals to estimate the number of shares to be released. Any increase or decrease in stock-based compensation expense resulting from an adjustment in the estimated shares to be released is treated as a cumulative catch-up in the period of adjustment. If any of the assumptions or estimates used change significantly, stock-based compensation expense may differ materially from what the Company has recorded in the current period. The fair value of PSUs with a market-based vesting condition is estimated using the Monte Carlo simulation model. Stock-based compensation expense related to these PSUs is recognized using the accelerated attribution method and not reversed if the achievement of the market conditions does not occur.
Research and Development	Research and Development The Company expenses all research and development costs as incurred. These expenses include the costs of proprietary research and development efforts, quality engineering, clinical studies and trials, and regulatory affairs. Costs primarily consist of compensation and personnel costs, regulatory fees, consulting services, laboratory supplies and materials expenses, and infrastructure costs including facilities, depreciation, and information technology
Advertising Costs	Advertising Costs Advertising costs are expensed as incurred. The advertising costs for years ended December 31, 2025, 2024, and 2023 were not significant.
Income Taxes	Income Taxes The Company accounts for income taxes under the liability method. Under this method, deferred tax assets and liabilities are determined based on differences between financial reporting and tax reporting bases of assets and liabilities and remeasured using enacted tax rates and laws that are expected to be in effect when the differences are expected to reverse. Realization of deferred tax assets is dependent upon future earnings, the timing and amount of which are uncertain. The Company utilizes a two-step approach to recognize and measure uncertain tax positions. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained upon tax authority examination, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement. The Company includes any penalties and interest expense related to income taxes as a component of other expense, net, as necessary.
Net Loss per Share	Net Loss per Share Basic net loss per share is calculated by dividing the net loss by the weighted-average number of shares of common stock outstanding for the period, without consideration for potential dilutive securities. Diluted net loss per share is computed by dividing the net loss by the weighted-average number of common shares and common share equivalents of potentially dilutive securities outstanding for the period. For purposes of the diluted net loss per share calculation, awards under the Company’s equity compensation plan and warrants are considered to be potentially dilutive securities. For periods in which the Company reports net losses, basic net loss per share is the same as diluted net loss per share because the effects of potentially dilutive securities are antidilutive.
Employee Benefit Plan	Employee Benefit Plan The Company has a defined contribution retirement savings plan under Section 401(k) of the Internal Revenue Code. This plan allows eligible employees to defer a portion of their eligible compensation on a pre- or post-tax basis. The Company matches 100% of each employee’s contributions up to a maximum matching contribution equal to 2% of such employee’s eligible compensation, subject to the terms and limitations of the 401(k) plan and applicable law. The Company’s matching contributions were $1.0 million, $1.5 million and $1.7 million for the years ended December 31, 2025, 2024, and 2023, respectively.
Segment	Segment The Company generates revenue primarily from the sale of its products and services. Product revenue consists primarily of sales of Tablo consoles and related consumables, including Tablo cartridges and accessories. Service and other revenue consists primarily of revenue generated from service agreements and other revenue from shipping and handling charged to customers. Tablo is a single enterprise solution that can be utilized in both the acute and home care settings. The Company derives revenue primarily in the United States and operates a manufacturing facility in Mexico. As the Company manages its business activities on a consolidated basis, the Company has one reportable segment. The Company’s chief operating decision maker (CODM), its Chief Executive Officer, reviews financial information on an aggregate basis for the purposes of allocating resources and evaluating financial performance.
Recently Adopted Accounting Pronouncement	Recently Adopted Accounting Pronouncement In December 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Updated (ASU) No. 2023-09, Improvements to Income Tax Disclosures (ASU 2023-09), which requires that an entity disclose specific categories in the effective tax rate reconciliation as well as provide additional information for reconciling items that meet a quantitative threshold. Further, the ASU requires certain disclosures of state versus federal income tax expense and taxes paid. The Company adopted ASU 2023-09 for the year ended December 31, 2025 on a prospective basis. The adoption did not have a material impact on the Company’s financial statements. See Note 9 for additional information.
Recently Issued Accounting Pronouncements Not Yet Adopted	Recently Issued Accounting Pronouncements Not Yet Adopted In March 2024, the SEC adopted rules intended to enhance and standardize climate-related disclosures in registration statements and annual reports. The new rules will require disclosure of material climate-related risks, including the material impacts of these risks to the Company, the quantification of material impacts to the Company as a result of severe weather events and other natural conditions and Board of Directors’ oversight and risk management activities. The new rules follow a compliance phase-in timeline based on a company’s filing status. Large accelerated filers and accelerated filers (other than smaller reporting companies) are required to first incorporate such disclosures for fiscal years 2025 and 2026, respectively, followed by greenhouse gas-related disclosures, if material, for fiscal years 2026 and 2027, respectively. In April 2024, the SEC determined to voluntarily stay the final rules pending certain legal challenges. In March 2025, the SEC voted to end its legal defense of the final rules in U.S. Court of Appeals for the Eighth Circuit. The Eighth Circuit has suspended the litigation until the SEC informs the court whether it intends to reconsider the rules under administrative procedures or whether the SEC will renew its defense of the rules. The Company is monitoring the judicial process for resolution of the legal challenges and impacts on the disclosure requirements. In November 2024, the FASB issued ASU No. 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (ASU 2024-03), which requires additional disclosures about the nature of expenses included in the income statement, such as purchases of inventory, employee compensation and depreciation. ASU 2024-03 will be effective for fiscal years beginning after December 15, 2026, and interim periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the impact of adopting this standard on its financial statements and related disclosures. In July 2025, the FASB issued ASU 2025-05, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets (ASU 2025-05), which permits entities to elect a practical expedient to assume current conditions as of the balance sheet date will not change for the remaining life of accounts receivable and contract assets when developing forecasts as part of estimating expected credit losses. The amendments in ASU 2025-05 will be effective for fiscal years beginning after December 15, 2025, and interim periods within those fiscal years, with early adoption permitted. The amendments should be applied prospectively. The Company is currently evaluating this practical expedient and does not expect it to have a material impact on its financial statements. In September 2025, the FASB issued ASU 2025-06, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (ASU 2025-06), which removes all references to software development project stages and requires entities to start capitalizing software costs when both of the following occur: (i) management has authorized and committed to funding the software project and (ii) it is probable that the project will be completed and the software will be used to perform the function intended. The amendments in ASU 2025-06 will be effective for fiscal years beginning after December 15, 2027, and interim periods within those fiscal years, with early adoption permitted as of the beginning of a fiscal year. The amendments can be applied prospectively, retrospectively, or via a modified prospective transition method. The Company is currently evaluating the impact of adopting this standard on its financial statements. On December 8, 2025, the FASB issued ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements (ASU 2025-11) which is intended to improve the navigability of the guidance in ASC 270, Interim Reporting, and clarify when it applies. Under the amendments, an entity is subject to ASC 270 if it provides interim financial statements and notes in accordance with GAAP. ASU 2025-11 also addresses the form and content of such financial statements, interim disclosures requirements, and establishes a principle under which an entity must disclose events since the end of the last annual reporting period that have a material impact on the entity. ASU 2025-11 is effective for interim reporting periods within annual reporting periods beginning after December 15, 2027, and early adoption is permitted. The Company is currently evaluating the impact of adopting this standard and does not expect it to have a material impact on its financial statements.

Net Loss per Share

12 Months Ended

Dec. 31, 2025

Earnings Per Share [Abstract]

Net Loss per Share

11. Net Loss per Share

The following outstanding potentially dilutive shares have been excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (in thousands):


	Years Ended December 31,
	2025		2024		2023
Stock options to purchase common stock		81		92		129
Restricted stock units		709		229		172
Performance stock units		7		17		13
Shares committed under ESPP		123		44		21
Warrants to purchase common stock		375		4		4
Total		1,295		386		339

Workforce Reduction

12 Months Ended

Dec. 31, 2025

Workforce reduction [Abstract]

Workforce Reduction

13. Workforce Reduction

In order to improve operational efficiencies, reduce operating expenses and streamline its overall organizational structure, the Company implemented two organizational restructuring plans to reduce its workforce in the fourth quarter of 2023 and May 2024 and incurred restructuring charges of $2.5 million in fiscal year 2023 and $2.7 million through the first half of fiscal year 2024 for employee severance and other termination benefits.

In connection with steps the Company took to help optimize its commercial organization, and to help improve operational efficiencies and reduce operating expenses to align with anticipated revenue growth, in the third quarter of 2024, the Company completed an additional restructuring plan primarily impacting its commercial organization. The Company incurred restructuring charges of $1.4 million in the third quarter of 2024 for employee severance and other termination benefits associated with this restructuring.

In January 2025, the Company implemented another restructuring plan and, as a result, estimated and recognized restructuring charges of $1.5 million as of December 31, 2024 for employee severance and other termination benefits. Restructuring accruals are based upon management estimates at the time and are subject to change depending upon changes in facts and circumstances subsequent to the date the original liability was recorded.

The following table sets forth severance and related benefits charges included in the statements of operations (in thousands):


	Years Ended December 31,
	2025			2024		2023
Cost of revenue	$	—		$	579	$	129
Research and development		34			2,107		739
Sales and marketing		—			2,149		1,294
General and administrative		(42	)		720		370
Total	$	(8	)	$	5,555	$	2,532

For the year ended December 31, 2025, changes in liabilities resulting from the restructuring accruals, which were recorded in accrued compensation and related benefits on the balance sheet, were as follows (in thousands):

Statements of Stockholders Equity - USD ($) $ in Thousands	Total	Preferred Stock [Member] Convertible Preferred Stock [Member]	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning Balance at Dec. 31, 2022	$ 245,990	$ 0	$ 3	$ 1,035,501	$ (564)	$ (788,950)
Beginning Balance (shares) at Dec. 31, 2022		0	3,231,000
Issuance of common stock through employee stock purchase plan	7,510			7,510
Issuance of common stock through employee stock purchase plan (shares)			37,000
Issuance of common stock for settlement of RSUs (shares)			47,000
Stock option exercises	2,917			2,917
Stock option exercises (shares)			39,000
Stock-based compensation expense	38,634			38,634
Unrealized gain on available-for-sale securities	632				632
Net Income (Loss)	(172,797)					(172,797)
Ending Balance at Dec. 31, 2023	122,886	$ 0	$ 3	1,084,562	68	(961,747)
Ending Balance (shares) at Dec. 31, 2023		0	3,354,000
Issuance of common stock through employee stock purchase plan	2,201		$ 1	2,200
Issuance of common stock through employee stock purchase plan (shares)			70,000
Issuance of common stock for settlement of RSUs	295			295
Issuance of common stock for settlement of RSUs (shares)			101,000
Stock option exercises	83			83
Stock option exercises (shares)			5,000
Stock-based compensation expense	29,356			29,356
Unrealized gain on available-for-sale securities	(26)				(26)
Net Income (Loss)	(127,976)					(127,976)
Ending Balance at Dec. 31, 2024	26,819	$ 0	$ 4	1,116,496	42	(1,089,723)
Ending Balance (shares) at Dec. 31, 2024		0	3,530,000
Issuance of common stock through employee stock purchase plan	639			639
Issuance of common stock through employee stock purchase plan (shares)			87,000
Issuance of Series A convertible preferred stock, net of issuance costs (Shares)		863,000
Issuance of Series A convertible preferred stock, net of issuance costs		$ 161,071
Conversion of convertible preferred stock to common stock	161,071	$ (161,071)	$ 14	161,057
Conversion of convertible preferred stock to common stock (Shares)		(863,000)	14,389,000
Issuance of common stock warrant, net of issuance costs	4,330			4,330
Issuance of common stock for settlement of RSUs (shares)			163,000
Stock-based compensation expense	15,616			15,616
Unrealized gain on available-for-sale securities	130				130
Net Income (Loss)	(81,653)					(81,653)
Ending Balance at Dec. 31, 2025	$ 126,952	$ 0	$ 18	$ 1,298,138	$ 172	$ (1,171,376)
Ending Balance (shares) at Dec. 31, 2025		0	18,169,000

Income Taxes - Summary of Reconciliation of the Total Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Balance, beginning of year	$ 4,423	$ 3,781
Increase related to prior years positions			$ 0
Increase related to current year positions	548	642
Balance, end of year	$ 4,971	$ 4,423

Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2025	Dec. 31, 2024
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	18,169,000	3,530,000
Common stock, shares outstanding	18,169,000	3,530,000

Convertible Preferred Stock and Stockholders' Equity

12 Months Ended

Dec. 31, 2025

Equity, Attributable to Parent [Abstract]

Convertible Preferred Stock and Stockholders' Equity

8. Convertible Preferred Stock and Stockholders’ Equity

Convertible Preferred Stock

The Company is authorized to issue a total of 5,000,000 shares of preferred stock, par value $0.001 per share. In connection with the Private Placement described below, the Company filed a Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred Stock with the Delaware Secretary of State on January 7, 2025 (the Certificate of Designation) to set

forth the preferences, rights and limitations of the Series A Convertible Preferred Stock. The Company designated a total of 863,000 shares as Series A Convertible Preferred Stock, which are non-voting and not redeemable.

On January 3, 2025, the Company entered into securities purchase agreements with various investors, including certain of the Company’s directors, officers and employees (the Investors) for the issuance and sale by the Company of an aggregate of 863,000 shares of Series A Convertible Preferred Stock, par value $0.001 per share, at a purchase price of $200.00 per share in the Private Placement. The sale of 844,000 shares of Series A Convertible Preferred Stock to institutional investors closed on January 8, 2025, with gross proceeds, before deducting placement agent fees and other offering expenses, of $168.8 million. On March 7, 2025, following stockholder approval of the Company’s issuance of shares of Series A Convertible Preferred Stock and shares of the Company’s common stock issuable upon the conversion thereof to certain of the Company’s directors, officers and employees at the special meeting of stockholders held on March 5, 2025 (the Special Meeting), the Company issued 19,000 shares of Series A Convertible Preferred Stock to certain of the Company’s directors, officers and employees, with gross proceeds, before deducting offering expenses, of $3.9 million.

On March 10, 2025, following the stockholder approval of the Company’s issuance of common stock in excess of 20% of the Company’s then outstanding shares of common stock at the Special Meeting, 842,000 shares of Series A Convertible Preferred Stock were converted into 14,046,000 shares of the Company’s common stock at the conversion price of $12.00 per share in accordance with the Certificate of Designation. Following the conversion in March, 21,000 shares of the Series A Convertible Preferred Stock were subsequently converted into 343,000 shares of the Company’s common stock in October 2025.

As of December 31, 2025, no shares of Series A Convertible Preferred Stock were outstanding.

Common Stock Warrants

As discussed in Note 7 above, the Company issued a warrant to Perceptive Credit Holdings IV, LP to purchase 375,000 shares of the Company’s common stock, at an exercise price equal to $12.00 per share, in January 2025. This warrant is immediately exercisable upon issuance, and expires seven years after the date of issuance, January 2032. This warrant is outstanding and exercisable, and classified as a component of permanent stockholders’ equity. The Company determined the fair value using the Black-Scholes option pricing model with the following assumptions on the date of issuance: common stock price of $14.66 per share, expected volatility of 93%, expected term of 7 years, and risk-free interest rate of 4.56%.

Fair Value Measurements

12 Months Ended

Dec. 31, 2025

Fair Value Disclosures [Abstract]

Fair Value Measurements

4. Fair Value Measurements

The following tables summarize the Company’s financial assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):


		December 31, 2025
	Valuation Hierarchy	Amortized Costs		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Aggregate Fair Value
Assets:
Cash equivalents:
Money market funds	Level 1	$	24,253	$	—	$	—		$	24,253
Short-term investments:
U.S. Treasury securities	Level 1		77,622		109		—			77,731
Corporate debt	Level 2		47,111		56		(1	)		47,166
Commercial paper	Level 2		5,909		4		—			5,913
Foreign entity bond	Level 2		3,126		4		—			3,130
Total cash equivalents and short-term investments		$	158,021	$	173	$	(1	)	$	158,193


		December 31, 2024
	Valuation Hierarchy	Amortized Costs		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Aggregate Fair Value
Assets:
Cash equivalents:
Money market funds	Level 1	$	110,979	$	—	$	—		$	110,979
Short-term investments:
Corporate debt	Level 2		34,629		43		(1	)		34,671
Total cash equivalents and short-term investments		$	145,608	$	43	$	(1	)	$	145,650

The Company’s Level 2 debt securities are valued using third-party pricing sources. The pricing services utilize industry standard valuation models, including both income and market-based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades of and broker/dealer quotes on the same or similar securities, issuer credit spreads, benchmark securities, prepayment/default projections based on historical data and other observable inputs. The Company validates the prices provided by its third-party pricing services by understanding the models used, obtaining market values from other pricing sources and confirming those securities traded in active markets.

The unrealized losses for securities in an unrealized loss position for more than 12 months as of December 31, 2025 and 2024 were immaterial. For the years ended December 31, 2025, 2024, and 2023, the Company did not recognize credit loss related to available-for-sales debt securities.

As of December 31, 2025, the remaining contractual maturities for short-term investments were as follows (in thousands):


	Aggregate Fair Value
Due within one year	$	124,373
After one but within five years		9,567
Total	$	133,940

The estimated fair value of the term loans as of December 31, 2025 and 2024 were $104.5 million and $212.1 million, respectively, and were determined using a discounted cash flow calculation with a discount rate at 11.7% and 9.5%, respectively.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 820
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478119/940-820-50-1

+ Details

Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 35,006	$ 124,014
Short-term investments	133,940	34,671
Accounts receivable, net	28,329	35,619
Inventories	47,609	59,387
Prepaid expenses and other current assets	5,999	4,530
Total current assets	250,883	258,221
Restricted cash	3,829	3,329
Property and equipment, net	4,670	8,133
Operating lease right-of-use assets	4,797	3,940
Other assets	317	2,172
Total assets	264,496	275,795
Current liabilities:
Accounts payable	554	3,862
Accrued compensation and related benefits	10,735	16,821
Accrued expenses and other current liabilities	9,433	8,205
Accrued warranty liability	1,374	1,938
Deferred revenue, current	13,795	12,753
Operating lease liabilities, current	1,739	1,799
Total current liabilities	37,630	45,378
Accrued interest	0	2,695
Deferred revenue	406	844
Operating lease liabilities	3,271	2,684
Term loans	96,237	197,375
Total liabilities	137,544	248,976
Commitments and contingencies (Note 6)
Stockholders' equity:
Preferred stock, $0.001 par value; 5,000 shares authorized, and no shares issued and outstanding as of December 31, 2025 and 2024	0	0
Common stock, $0.001 par value; 300,000 shares authorized as of December 31, 2025 and 2024; 18,169 and 3,530 shares issued and outstanding as of December 31, 2025 and December 31, 2024 respectively	18	4
Additional paid-in capital	1,298,138	1,116,496
Accumulated other comprehensive income	172	42
Accumulated deficit	(1,171,376)	(1,089,723)
Total stockholders' equity	126,952	26,819
Total liabilities and stockholders' equity	$ 264,496	$ 275,795

Segment and Geographic Information (Additional Information) (Details) $ in Millions	Dec. 31, 2025 USD ($)
MEXICO
Segment Reporting Information [Line Items]
Long Lived Assets and Operating Lease Right of Use Asset	$ 6.0

Balance Sheet Components - Accrued Warranty Liability (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Product Warranties Disclosures [Abstract]
Balance at the beginning of year	$ 1,938	$ 3,712
Warranties issued and adjustments to provisions	903	1,908
Warranty claims	(1,467)	(3,682)
Balance at end of year	$ 1,374	$ 1,938

Term Loans - Schedule of Term Loan (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Disclosure [Abstract]
Principal of term loan	$ 101,502	$ 200,000
Unamortized debt discount	(5,265)	(2,625)
Term loans, noncurrent	$ 96,237	$ 197,375

Balance Sheet Components - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Allowance for Credit Loss [Abstract]
Balance at beginning of year	$ 2,577	$ 203
Increase in allowance	4,487	2,381
Write-offs	(972)	(7)
Balance at end of year	$ 6,092	$ 2,577

Description of Business

12 Months Ended

Dec. 31, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business

1. Description of Business

Outset Medical, Inc. (the Company) is a medical technology company pioneering a first-of-its-kind technology to improve clinical outcomes in dialysis with less cost and complexity. Tablo® Hemodialysis System (Tablo), cleared by the U.S. Food and Drug Administration (FDA) for use from the hospital to the home, represents a significant technological advancement designed to transform the dialysis experience for patients and operationally simplify it for providers. Tablo serves as a single enterprise solution designed to be utilized across the continuum of care, allowing dialysis to be delivered anytime, anywhere, and by virtually anyone. The integration of water purification and on-demand dialysate production in a single 35-inch compact console enables Tablo to provide clinical and operational flexibility to customers. With a simple-to-use touchscreen interface, two-way wireless data transmission and a proprietary data analytics platform, Tablo is a new holistic approach to dialysis care. The Company’s headquarters are located in San Jose, CA.

Reverse Stock Split

In March 2025, the Company’s board of directors and shareholders approved a Certificate of Amendment to the Company’s Amended and Restated Certificate of Incorporation to effect a reverse split of shares of the Company’s common stock on a 15-for-one basis (the Reverse Stock Split), which became effective as of March 20, 2025. The number of authorized shares and the par values of the common stock and preferred stock were not adjusted as a result of the Reverse Stock Split. In connection with the Reverse Stock Split, the conversion ratio for the Company’s outstanding convertible preferred stock was proportionately adjusted such that the common stock issuable upon conversion of such preferred stock was decreased in proportion to the Reverse Stock Split. Also, any outstanding common stock warrants were adjusted such that the common stock issuable upon exercise of such warrants were decreased in proportion to the Reverse Stock Split. In addition, the number of shares of common stock available for issuance under the Company’s equity incentive plans and issuable upon the exercise of stock options, warrants and restricted stock units outstanding prior to the Reverse Stock Split were proportionately adjusted. No fractional shares were distributed as a result of the Reverse Stock Split and stockholders were entitled to a cash payment in lieu of fractional shares.

All common stock share and per share amounts and information presented herein have been retroactively adjusted to reflect the effect of the Reverse Stock Split for all periods presented.

Liquidity

Since inception, the Company has incurred net losses and negative cash flows from operations. For the years ended December 31, 2025, 2024, and 2023, the Company incurred net losses of $81.7 million, $128.0 million and $172.8 million, respectively, and cash outflow from operating activities of $46.3 million, $116.3 million and $131.4 million, respectively. As of December 31, 2025, the Company had an accumulated deficit of $1.2 billion.

As of December 31, 2025, the Company had a total cash, cash equivalents, restricted cash, and short-term investments balance of $172.8 million.

In addition, in January 2025, the Company entered into a credit agreement and guaranty (the Perceptive Credit Agreement) with Perceptive Credit Holdings IV, LP, as administrative agent (Agent) and the lenders from time to time party thereto, which provided a $100 million 5-year term loan at closing and will provide an additional term loan of up to $25 million at our election, which is available for funding until July 14, 2027, subject to the achievement of certain revenue milestone and other customary conditions (the Perceptive Term Loan). The Company is required to comply with certain covenants under the Perceptive Credit Agreement including, among others, requirements as to financial reporting, restrictions on its ability to incur additional indebtedness and to pay any dividends or other distributions on capital stock, maintenance of a minimum cash balance, and achievement of certain specified trailing twelve-month net revenue targets. If the Company fails to comply with any covenants, payments or other terms of the Perceptive Credit Agreement and such failure constitutes an event of default, such event of default would give Agent the right to declare all borrowings outstanding, together with accrued and unpaid interest and fees, to be immediately due and payable. Further details of obligations under the Perceptive Credit Agreement are described in Note 7.

While the Company has taken actions to reduce operating expenses and working capital to align with anticipated revenue growth including implementing restructuring plans to streamline its overall organizational structure and renegotiating commitments with suppliers to reduce inventory, management expects to continue to incur operating losses in the near term while the Company makes investments to support its anticipated growth.

Management believes that the Company’s existing cash, cash equivalents, short-term investments, and cash generated from sales will be sufficient to meet its anticipated needs for at least the next 12 months from the issuance date of the accompanying financial statements.

Basis of Presentation

The financial statements have been prepared in accordance with U.S. GAAP. All share amounts disclosed in the notes to the financial statements are rounded to the nearest thousand except for per share amounts.

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Dec. 31, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Rule 10b5-1 Arrangement Modified	false
Non-Rule 10b5-1 Arrangement Modified	false

Subsequent Event (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 03, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jan. 22, 2026	Aug. 01, 2025
Subsequent Event [Line Items]
Number of aggregate shares issued		0	0
Preferred stock, par value		$ 0.001	$ 0.001
Common Stock, Par or Stated Value Per Share		$ 0.001	$ 0.001
Proceeds from issuance of Series A convertible preferred stock, net of issuance costs		$ 161,548	$ 0	$ 0
Number of Common stock shares issued		18,169,000	3,530,000
Delayed Draw Term Loan (DDTL) [Member] \| Warrant [Member]
Subsequent Event [Line Items]
Number of Common stock shares issued						94,000
Perceptive Credit Agreement [Member]
Subsequent Event [Line Items]
Line of credit, maximum borrowing capacity	$ 125,000
Debt Instrument Interest Rate	4.00%
Applicable margin	8.00%
Accrued interest	1.50%
Minimum cash balance		$ 10,000
Perceptive Credit Agreement [Member] \| Warrant [Member]
Subsequent Event [Line Items]
Number of Common stock shares issued						375,000
Warrants exercise price						$ 12
Perceptive Credit Agreement [Member] \| Delayed Draw Term Loan (DDTL) [Member]
Subsequent Event [Line Items]
Line of credit, maximum borrowing capacity	$ 25,000
Non-refundable closing fee						$ 250,000,000
Subsequent Event
Subsequent Event [Line Items]
Common Stock, Par or Stated Value Per Share					$ 0.001
Common stock shares reserved for issuance					250,000

Income Taxes

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Income Taxes

10. Income Taxes

Loss before provision for income taxes were as follows for the periods indicated (in thousands):


	Years Ended December 31,
	2025			2024			2023
Domestic	$	(70,397	)	$	(116,693	)	$	(158,095	)
Foreign		(10,538	)		(10,792	)		(14,179	)
Loss before provision for income taxes	$	(80,935	)	$	(127,485	)	$	(172,274	)

The provision for income taxes were $0.7 million, $0.5 million and $0.5 million for the years ended December 31, 2025, 2024 and 2023, respectively, which primarily related to foreign income taxes in Mexico. The Company has incurred net operating losses for all periods presented. The Company has not reflected any benefit of such net operating loss carryforwards in the financial statements. The Company has established a full valuation allowance against its deferred tax assets due to the uncertainty surrounding the realization of such assets.

The following table is a reconciliation of the U.S. federal statutory rate to the Company’s effective rate for the year ended December 31, 2025 in accordance with the guidance in ASU No. 2023-09:


	Year Ended December 31, 2025
U.S. Federal statutory income tax rate	$	(16,997	)	21.0		%
State and local income taxes, net of federal		—		—
Foreign tax effects:
Mexico
Maquiladora safe harbor profit		3,863		(4.8	)
Foreign rate differential		(948	)	1.2
Other		16		—
Effect of cross-border tax laws:
Foreign branch income		(2,360	)	2.9
Tax credits		(765	)	0.9
Valuation allowances		14,492		(17.9	)
Nontaxable or nondeductible items:
Stock-based compensation		3,536		(4.3	)
Other		(120	)	0.1
Other adjustment		1		—
Effective income tax rate	$	718		(0.9	)	%

As previously disclosed for the years ended December 31, 2024 and 2023, prior to the adoption of ASU 2023-09, the effective tax rate differs from the federal statutory income tax rate applied to the loss before provision for income taxes and tax due to the following:


	Years Ended December 31,
	2024				2023
Federal statutory income tax rate		21.0		%		21.0		%
State taxes		1.1				3.2
Change in valuation allowance		(17.3	)			(22.0	)
Federal and state tax credits		1.4				1.3
Stock-based compensation expense		(5.3	)			(2.0	)
Non-deductible permanent expenses		(0.5	)			(0.7	)
Effect of deferred tax adjustment		(0.1	)			—
Non-deductible compensation		(0.7	)			(1.0	)
Effective income tax rate		(0.4	)	%		(0.2	)	%

Total income taxes paid during the year ended December 31, 2025 were $0.5 million, entirely attributable to foreign income taxes in Mexico.

Deferred tax assets and liabilities

Deferred income taxes reflect the net tax effect of temporary differences between amounts recorded for financial reporting purposes and amounts used for tax purposes. The major components of deferred tax assets and liabilities were as follows as of the dates indicated (in thousands):


	December 31,
	2025			2024
Deferred tax assets:
Net operating loss carryforwards	$	201,253		$	180,588
Tax credits		19,751			18,163
Accrual and reserves		3,434			3,137
Tangible and intangible assets		1,656			3,534
Stock-based compensation expense		2,091			2,333
Capitalized research costs		22,817			29,014
Other deferred tax asset		9,580			8,386
Gross deferred tax assets		260,582			245,155
Valuation allowance		(259,423	)		(244,165	)
Net deferred tax assets	$	1,159		$	990

	December 31,
	2025			2024
Deferred tax liabilities:
Right-of-use assets	$	(1,159	)	$	(990	)
Gross deferred tax liabilities	$	(1,159	)	$	(990	)

Realization of the deferred tax assets is dependent upon future taxable income, if any, the amount and timing of which are uncertain. A valuation allowance is provided when it is not more likely than not that some portion of the deferred tax assets will be realized. Management believes that, based on a number of factors, it is more likely than not that the U.S. federal and state net deferred tax assets will not be fully realized, thus a full valuation allowance has been recorded as of December 31, 2025 and 2024. The change in the valuation allowance during the years ended December 31, 2025, 2024 and 2023 was an increase of $15.3 million, $22.1 million, and $37.8 million, respectively.

On July 4, 2025, the One Big Beautiful Bill Act (the OBBBA) was signed into law. The OBBBA contains significant tax law changes, including allowing for the deduction of domestic research and development costs, which were previously required to be capitalized and amortized from 2022 through 2024. Because of the Company’s valuation allowance on its deferred tax assets, the change did not impact its financial statements.

Net Operating Loss and Tax Credit Carryforwards

As of December 31, 2025, the Company had a net operating loss carryforward for U.S. federal income tax purposes of $815.1 million. Federal net operating losses of $687.4 million incurred after 2017 do not expire but usage is limited to 80% of taxable

income. The remaining $127.8 million of federal net operating loss carryforward will begin to expire in 2026 and continue to expire through 2037. The Company had a total U.S. state net operating loss carryforward of $453.9 million. State net operating losses of $140.7 million do not expire. The remaining state net operating loss carryforward of $313.2 million will begin to expire in 2026 and continue to expire through 2044.

As of December 31, 2025, the Company had federal research and development credits of $13.4 million, which will begin to expire in 2030 and state research and development credits of $9.2 million which are not currently subject to expiration. Utilization of the operating loss and tax credits may be subject to annual limitation due to the ownership change limitations provided by the Code and similar state provisions. Such an annual limitation could result in the expiration of net operating loss and tax credit carryforwards before utilization.

Federal and state laws impose substantial restrictions on the utilization of net operating loss and tax credit carryforwards in the event of an ownership change for tax purposes, as defined in Section 382 of the Internal Revenue Code. As a result of such ownership changes, the Company’s ability to realize the potential future benefit of tax losses and tax credits that existed at the time of the ownership change may be significantly reduced. The Company’s deferred tax asset and related valuation allowance would be reduced, as a result. The Company has not performed a Section 382 study to determine the amount of reduction, if any. Unrecognized tax benefits as of December 31, 2025 have been recorded as an offset to federal and state research and development credit carryforwards.

Unrecognized Tax Benefits

A reconciliation of the total unrecognized tax benefits for the periods presented was as follows (in thousands):


	December 31,
	2025		2024
Balance, beginning of year	$	4,423	$	3,781
Increase related to prior years positions		—		—
Decrease related to current year positions		—		—
Increase related to current year positions		548		642
Balance, end of year	$	4,971	$	4,423

The Company does not have any material accrued interest or penalties associated with unrecognized tax benefits.

The Company files income tax returns in the United States, various U.S. states and Mexico. The Company is not under examination by income tax authorities in federal, other states, or other jurisdictions. All tax returns remain open for examination by federal, state, and foreign authorities for three, four, and five years, respectively, from the date of utilization of any net operating loss or credits.

- Definition

The entire disclosure for income tax.

+ References

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+ Details

Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Fair Value Disclosures [Abstract]
Fair Value term Loan	$ 104.5	$ 212.1
Fair value discount rate	11.70%	9.50%

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

Balance Sheet Components - Schedule of Inventories (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Inventory Disclosure [Abstract]
Raw materials	$ 27,183	$ 25,703
Work in process	7,316	9,973
Finished goods	13,110	23,711
Total inventories	$ 47,609	$ 59,387

Workforce Reduction (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2025	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
One Time Restructuring Charges				$ 34
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]				Research and Development Expense
One Time Termination Benefits
Restructuring Cost and Reserve [Line Items]
One Time Restructuring Charges	$ 1,500	$ 1,400	$ 2,700		$ 2,500

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
Statements of Cash Flows - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net loss	$ (81,653)	$ (127,976)	$ (172,797)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	15,616	29,356	38,634
Depreciation and amortization	4,341	5,728	5,810
Non-cash lease expense	1,583	1,435	1,271
Non-cash interest expense	2,758	2,574	1,828
Amortization of premium on investments, net	(2,253)	(4,720)	(6,369)
Change in provision for inventories	(124)	561	733
Change in provision for credit losses	3,515	2,374	184
Loss on disposal of property and equipment	5	53	106
Loss on extinguishment of term loan	7,685	0	0
Changes in operating assets and liabilities:
Accounts receivable	3,775	(5,012)	(5,094)
Inventories	11,793	(10,857)	1,647
Prepaid expenses and other assets	(940)	784	739
Accounts payable	(3,293)	(1,948)	5,312
Accrued compensation and related benefits	(6,086)	(1,889)	(2,515)
Accrued expenses and other current liabilities	1,519	(5,168)	(2,621)
Accrued warranty liability	(564)	(1,774)	91
Deferred revenue	604	1,769	3,015
Operating lease liabilities	(1,913)	(1,593)	(1,347)
Accrued interest	(2,695)	0	0
Net cash used in operating activities	(46,327)	(116,303)	(131,373)
Cash flows from investing activities:
Purchases of property and equipment	(798)	(912)	(3,440)
Purchases of investment securities	(221,969)	(156,584)	(172,284)
Sales and maturities of investment securities	125,083	261,434	258,750
Net cash (used in) provided by investing activities	(97,684)	103,938	83,026
Cash flows from financing activities:
Proceeds from stock option exercises and ESPP purchases	639	2,284	10,427
Proceeds from issuance of term loans, net of issuance costs	98,270	66,524	33,225
Repayment of term loan and extinguishment costs	(204,954)	0	0
Proceeds from issuance of Series A convertible preferred stock, net of issuance costs	161,548	0	0
Payment of deferred financing costs	0	(938)	0
Net cash provided by financing activities	55,503	67,870	43,652
Net (decrease) increase in cash, cash equivalents and restricted cash	(88,508)	55,505	(4,695)
Cash, cash equivalents and restricted cash as of beginning of period	127,343	71,838	76,533
Cash, cash equivalents and restricted cash as of end of period	38,835	127,343	71,838
Summary of cash, cash equivalents and restricted cash reported within the balance sheets:
Cash and cash equivalents	35,006	124,014	68,509
Restricted cash	3,829	3,329	3,329
Total cash, cash equivalents and restricted cash	38,835	127,343	71,838
Supplemental cash flow disclosures:
Cash paid for income taxes	447	593	491
Cash paid for interest	15,634	20,685	10,847
Cash paid for amounts included in the measurement of operating lease liabilities	1,913	1,593	1,347
Supplemental non-cash investing and financing activities:
Transfer of inventories to property and equipment	109	148	119
Right-of-use assets obtained in exchange for operating lease liabilities	2,441	0	528
Fair value of common stock warrant	4,367	0	0
Issuance costs included in accrued expenses	0	266	0
Capital expenditures included in accounts payable and accrued expenses	$ 0	$ 31	$ 159

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2025

Commitments and Contingencies Disclosure [Abstract]

Schedule of Components of Lease Costs

The components of lease costs were as follows (in thousands):


	Years ended December 31,
	2025		2024		2023
Operating lease costs	$	1,892	$	1,892	$	1,837
Variable lease costs		423		351		435
Short-term lease costs		35		115		94


Total lease costs		$	2,350			$	2,358			$	2,366

Schedule of Weighted-average Remaining Lease Term and Discount Rate

The weighted-average remaining lease term and discount rate were as follows:


	December 31,
	2025		2024
Weighted-average remaining lease term (in years)		4.1		2.4
Weighted-average discount rate	10.4%		8.8%

Maturity of Operating Lease Liabilities

The maturity of the Company’s operating lease liabilities as of December 31, 2025 were as follows (in thousands):


Years Ending December 31:
2026	$	2,058
2027		1,503
2028		729
2029		696
2030		717
2031		487
Total lease payments		6,190
Less: imputed interest		(1,180	)
Present value of operating lease liabilities	$	5,010
Operating lease liabilities, current	$	1,739
Operating lease liabilities, noncurrent	$	3,271

Stock-Based Compensation - Summary of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding Options, Balance as of December 31, 2024 \| shares	92,000
Forfeited and expired \| shares	(11,000)
Outstanding Options, Balance as of December 31, 2025 \| shares	81,000
Exercisable as of December 31, 2025 \| shares	81,000
Weighted-Average Exercise Price, Balance as of December 31, 2024 \| $ / shares	$ 198.87
Weighted-Average Exercise Price, Forfeited and Expired \| $ / shares	307.06
Weighted-Average Exercise Price, Balance as of December 31, 2025 \| $ / shares	183.26
Weighed-Average Exercise Price, Exercisable as of December 31, 2025 \| $ / shares	$ 183.26
Weighted-Average Remaining Term	3 years 7 months 9 days
Weighted-Average Remaining Contractual Term, Exercisable as of December 31, 2025	3 years 7 months 9 days
Aggregate Intrinsic Value, Balance as of December 31, 2025 \| $	$ 0
Aggregate Intrinsic Value, Exercisable as of December 31, 2025 \| $	$ 0

Term Loans - Summary of Debt Maturities (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Disclosure [Abstract]
2026	$ 0
2027	0
2028	0
2029	0
2030	103,091
Total estimated principal payments	103,091
Less: estimated interest paid-in-kind	(1,589)
Less: unamortized debt discount	(5,265)	$ (2,625)
Total term loan, net of debt discount	$ 96,237

Stock-Based Compensation

12 Months Ended

Dec. 31, 2025

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

9. Stock-Based Compensation

Equity Incentive Plan

In 2019, the Company terminated the 2010 Stock Incentive Plan (the 2010 Plan) and adopted the 2019 Equity Incentive Plan (the 2019 Plan, and together with 2010 Plan, the Prior Plans) for the purpose of providing incentive and non-statutory stock options to employees, directors and certain non-employees.

In 2020, the Company adopted the 2020 Equity Incentive Plan (the 2020 Plan, and together with the Prior Plans, the Plans), which became effective in connection with the Company’s initial public offering. As a result, the Company may not grant any additional awards under the Prior Plans. The Prior Plans will continue to govern outstanding equity awards previously granted thereunder. The Company initially reserved 244,000 shares of common stock for the issuance of awards under the 2020 Plan. In addition, the number of shares of common stock available under the 2020 Plan automatically increases on the first day of each fiscal year until (and including) the fiscal year ending December 31, 2030, with such annual increase equal to an amount equal to the lesser of (i) 4% of the number of shares of common stock issued and outstanding on December 31 of the immediately preceding calendar year, and (ii) an amount determined by the Company’s board of directors.

At the Company’s annual meeting of stockholders held on June 2, 2025 (the 2025 Annual Meeting), the Company’s stockholders approved an amendment to the Company’s 2020 Plan to increase the number of shares of common stock available for issuance under the plan by 1,950,000 shares. As of December 31, 2025, 1,420,000 shares were reserved for future issuance under the 2020 Plan.

Options under the 2020 Plan have a contractual term of 10 years. The exercise price of an option shall not be less than 100% of the fair market value of the shares on the date of grant.

Stock Options

Subsequent to the first quarter of 2022, the Company no longer grants stock options. Service-based options previously granted to a grantee generally vest at a rate of 25% on the first anniversary of the original vesting date, with the balance vesting monthly over the remaining three years. A summary of the Company’s stock option activity under the Plans is set forth below (in thousands, except exercise price and remaining contractual life data):


	Outstanding Options			Weighted- Average Exercise Price		Weighted- Average Remaining Terms (Years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2024		92		$	198.87
Forfeited and expired		(11	)	$	307.06
Outstanding as of December 31, 2025		81		$	183.26		3.61	$	—
Exercisable as of December 31, 2025		81		$	183.26		3.61	$	—

The total intrinsic value of options exercised during the years ended December 31, 2024 and 2023 was $0.2 million and $9.9 million, respectively. The intrinsic value is the difference between the fair value of the Company’s common stock at the time of exercise and the exercise price of the stock option.

The total fair value of options that vested during the years ended December 31, 2025, 2024 and 2023 was $0.5 million, $2.1 million and $3.6 million, respectively. As of December 31, 2025, all stock-based compensation expense related to the stock options was fully recognized.

Restricted Stock

The Company issues RSUs and PSUs, both of which are considered restricted stock. The Company grants restricted stock pursuant to the 2020 Plan and satisfies such grants through the issuance of new shares. RSUs are share awards that, upon vesting, will deliver to the holder shares of the Company’s common stock.

RSUs with a service-based vesting condition granted to a grantee, beginning in February 2022, generally vest over a three-year period as follows either: (i) 25% on the first anniversary of the original vesting date, 25% quarterly over the course of the second year, and 50% quarterly over the course of the third year, or (ii) 33% on the first anniversary of the original vesting date, with the balance vesting quarterly over the remaining two years.

Annual RSUs granted to non-executive employees in 2025 vest over one year with 100% vesting on the first anniversary of the grant date while the annual RSUs granted to executives and certain other senior leaders in 2025 vest over a two-year period with 50% vesting on the first anniversary of the vesting commencement date, and the remaining 50% vesting quarterly over the following year.

Annual RSUs granted to non-executive employees in 2024 vest over a two-year period at a rate of 50% on the first anniversary of the original vesting date, with the balance vesting quarterly over the remaining one year.

Prior to February 2022, RSUs with a service-based vesting condition granted to a grantee generally vest at a rate of 25% on the first anniversary of the original vesting date, with the balance vesting quarterly over the remaining three years.

Since 2022, the Company has granted a mix of 50% PSUs and 50% RSUs to its CEO, and a mix of 20% PSUs and 80% RSUs to its other executive officers and certain other senior leaders on an annual basis. These PSUs are earned and vest based on achievement against a performance-based metric and a market-based metric as follows:

•

Performance-based vesting conditions:

PSUs granted in 2022 through 2024 are earned based on the number of patients treating at home on Tablo as of the end of the second or third year following the grant date (Year 2 or Year 3), with earned units vesting either (i) 50% after certification of achievement following the end of Year 2 and 50% at the end of Year 3 or (ii) 100% after certification of achievement following the end of Year 3 (Home PSUs); or

PSUs granted in 2025 are earned based on the Company’s three-year non-GAAP cumulative earnings before income tax, depreciation and amortization (EBITDA) at the end of 2027, with 100% of earned units vesting after certification of the achievement level following the end of 2027 (EBITDA PSUs).

•

Market-based vesting conditions:

PSUs granted in 2022 through 2025 are earned based on the Company’s relative total stockholder return (Relative TSR) at the end of a two-year or three-year performance period as compared to companies in a pre-determined index of medical device companies, in each case, with 100% of earned units vesting at the end of Year 3, or after certification of achievement following the end of the three-year performance period (Relative TSR PSUs).

The number of units earned varies based on actual performance as follows: (i) from 0% to 200% (250% for the CEO) of the target number of the Home PSUs and EBITDA PSUs granted, (ii) from 75% to 150% (250% for the CEO) of the target number of

Relative TSR PSUs granted in 2022 and 2023 and (iii) from 0% to 200% (250% for the CEO) of the target number of Relative TSR PSUs granted in 2024 and 2025.

The grant dates for the Home PSUs and EBITDA PSUs are not considered established until the Compensation Committee of the Board approves the target and it is communicated to the award recipients, which then triggers the service inception date, the fair value of the awards, and the associated expense recognition period. Once the grant dates for the Home PSUs and EBITDA PSUs have been established, the related stock-based compensation expense would be recorded based on the forecasted performance, which is reassessed each reporting period based on the probability of achieving the performance conditions.

In 2024, the Company also granted a new type of PSU award to executive officers and certain other senior leaders which is earned and vests based on appreciation of the Company’s stock price above pre-determined stock price triggers or achievement of specified operating income targets over a performance period of up to three years.

Restricted stock activity was as follows (in thousands, except per share amounts):


	Restricted Stock Units			Performance Stock Units			Weighted-Average Grant Date Fair Value Per Share
	(RSU)			(PSU)			RSU		PSU
Outstanding as of December 31, 2024		229			97		$	93.97	$	112.35
Granted		743			162		$	19.39	$	11.31
Released		(129	)		(33	)	$	102.55	$	115.52
Forfeited		(134	)		(23	)	$	48.25	$	53.87
Outstanding as of December 31, 2025		709			203		$	22.86	$	39.30

The total grant date fair value of restricted stock vested for the years ended December 31, 2025, 2024 and 2023 were $9.4 million, $27.2 million, and $24.9 million, respectively. As of December 31, 2025, the total unrecognized stock-based compensation expense related to the restricted stock was $11.5 million, which will be recognized over a weighted-average period of 1.64 years.

Employees Stock Purchase Plan (ESPP)

In 2020, the Company adopted the ESPP. The Company initially reserved 46,000 shares of common stock for purchase under the ESPP. In addition, the number of shares of common stock available for issuance under the ESPP increases automatically on the first day of each fiscal year until (and including) the fiscal year ending December 31, 2030, with such annual increase equal to the lesser of (i) 46,000 shares, (ii) 1% of the number of common stock issued and outstanding on December 31 of the immediately preceding fiscal year, and (iii) an amount determined by the Company’s board of directors.

At the 2025 Annual Meeting, the Company’s stockholders approved an amendment to the Company’s ESPP to increase the number of shares of common stock available for issuance under the plan by 255,000 shares. As of December 31, 2025, 248,000 shares of common stock were reserved for issuance in connection with the current and future offering periods under the ESPP.

Subject to any limitations contained therein, the ESPP allows eligible participants to contribute, through payroll deductions, up to 10% (15% until August 2025) of their eligible compensation to purchase the Company’s common stock at a purchase price equal to 85% of the fair market value of the common stock on the first day of the offering period or purchase date, whichever is lower. The ESPP generally provides for consecutive six-month offering periods. Effective beginning with the offering period commencing on March 1, 2022, the ESPP allows eligible participants to purchase shares pursuant to a cashless exercise program, and the duration for each offering period is a 24-month period consisting of four separate consecutive purchase periods of six months in length. This includes a two-year look-back feature in the ESPP, with a reset feature, which causes the offering period to reset if the fair value of the Company’s common stock on the first day of a new offering period is less than that on the original offering date.

The grant date fair value and assumptions used in estimating the fair value of the stock purchase rights under the ESPP were as follows:


	Years Ended December 31,
	2025	2024	2023
Expected term (in years)	0.49 – 2.00	0.49 – 2.00	0.49 – 2.00
Expected volatility	71.0% – 146.4%	81.7% – 215.2%	53.3% – 61.6%
Risk-free interest rate	3.6% – 4.3%	3.8% – 5.2%	4.8% – 5.4%
Dividend yield	0%	0%	0%
Grant Date Fair Value	$4.18–$7.19	$2.25 – $31.65	48.75–$124.05

As of December 31, 2025, the total unrecognized stock-based compensation expense related to the ESPP was $1.4 million, which will be recognized over a weighted-average period of 0.81 years.

Stock-based Compensation Expense

The following table sets forth stock-based compensation expense included in the statements of operations (in thousands):


	Years Ended December 31,
	2025		2024		2023
Cost of revenue	$	583	$	1,372	$	1,805
Research and development		3,366		7,291		10,538
Sales and marketing		3,083		6,122		12,419
General and administrative		8,584		14,571		13,872
Total stock-based compensation expense	$	15,616	$	29,356	$	38,634

Term Loans - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 03, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Aug. 01, 2025	Nov. 03, 2022
Debt Instrument [Line Items]
Principal of term loan		$ 101,502	$ 200,000
Loss on extinguishment of term loan		$ (7,685)	$ 0	$ 0
Common Stock, Shares, Issued		18,169,000	3,530,000
Delayed Draw Term Loan (DDTL) [Member] \| Warrant [Member]
Debt Instrument [Line Items]
Common Stock, Shares, Issued					94,000
Perceptive Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate	4.00%
Applicable margin	8.00%
Accrued interest	1.50%
Line of credit, maximum borrowing capacity	$ 125,000
Line of credit, payment terms, description		The Company may voluntarily prepay the outstanding loan(s), subject to a prepayment premium of (i) 10.0% of the principal amount of the prepaid loan(s), if prepaid prior to or on the first anniversary of the Closing Date, (ii) 8.0% of the principal amount of the prepaid Loans, if prepaid after the first anniversary of the Closing Date through and including the second anniversary of the Closing Date, (iii) 4.0% of the principal amount of the prepaid loan(s), if prepaid after the second anniversary of the Closing Date through and including the third anniversary of the Closing Date
Line of credit, default interest rate		4.00%
Cash		$ 10,000
Perceptive Credit Agreement [Member] \| First Anniversary
Debt Instrument [Line Items]
Line of credit, percentage of prepayment premium		10.00%
Perceptive Credit Agreement [Member] \| Second Anniversary
Debt Instrument [Line Items]
Line of credit, percentage of prepayment premium		8.00%
Perceptive Credit Agreement [Member] \| After Second Anniversary
Debt Instrument [Line Items]
Line of credit, percentage of prepayment premium		4.00%
Perceptive Credit Agreement [Member] \| Third Anniversary
Debt Instrument [Line Items]
Line of credit, percentage of prepayment premium		2.00%
Perceptive Credit Agreement [Member] \| Fourth Anniversary
Debt Instrument [Line Items]
Line of credit, percentage of prepayment premium		0.00%
Perceptive Credit Agreement [Member] \| Warrant [Member]
Debt Instrument [Line Items]
Common Stock, Shares, Issued					375,000
Warrants exercise price					$ 12
Debt issuance costs	4,400
Perceptive Credit Agreement [Member] \| Delayed Draw Term Loan (DDTL) [Member]
Debt Instrument [Line Items]
Debt Instrument, Fee Amount					$ 250,000,000
Line of credit, maximum borrowing capacity	25,000
Two Senior Secured Credit Facilities
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity						$ 300,000
SLR Credit Facilities
Debt Instrument [Line Items]
Line of credit, Repayment amount	7,500
Line of credit, termination fee			$ 100
Loss on extinguishment of term loan		$ 7,700
Line of Credit Facility, Amount Outstanding			200,000
SLR Revolver
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding			$ 0
Minimum \| SLR Revolver
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity						50,000
Maximum \| SLR Credit Facilities
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity						$ 250,000
Initial Term Loan \| Perceptive Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Fee Amount					$ 1,000
Line of credit, maximum borrowing capacity	100,000
Term Loan \| Perceptive Credit Agreement [Member]
Debt Instrument [Line Items]
Debt issuance costs	$ 6,500

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Summary Of Significant Accounting Policies [Line Items]
Impairment losses	$ 0	$ 0
Warranty period	1 year
Capitalized contract cost amortization period description	The Company applies the practical expedient to expense the commissions as incurred as the expected amortization period is one year or less.
Restricted cash	$ 3,829,000	3,329,000
Advertising costs	0	0	$ 0
Matching contributions	1,000,000	1,500,000	$ 1,700,000
Operating lease right-of-use assets	$ 4,797,000	$ 3,940,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets	2 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets	5 years
Capitalized contract cost, amortization period	1 year
Four Zero One K Plan Member \| Maximum
Summary Of Significant Accounting Policies [Line Items]
Percentage Of Employees Deferrals Required To Match Higher	2.00%
Revenue Benchmark \| Customer Concentration Risk \| Largest Customer
Summary Of Significant Accounting Policies [Line Items]
Concentration of risk, percentage	15.00%	16.00%	13.00%
Accounts Receivable \| Customer Concentration Risk \| Customer 1
Summary Of Significant Accounting Policies [Line Items]
Concentration of risk, percentage	11.00%	16.00%
Accounts Receivable \| Customer Concentration Risk \| Customer 2
Summary Of Significant Accounting Policies [Line Items]
Concentration of risk, percentage	10.00%

Stock-Based Compensation - Summary of Restricted Stock Activity (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2025 $ / shares shares
Performance Shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding as of December 31, 2024 \| shares	97
Granted \| shares	162
Released \| shares	(33)
Forfeited \| shares	(23)
Outstanding as of December 31, 2025 \| shares	203
Weighted-Average Grant Date Fair Value Per Share, Outstanding as of December 31, 2024 \| $ / shares	$ 112.35
Weighted-Average Grant Date Fair Value Per Share, Granted \| $ / shares	11.31
Weighted-Average Grant Date Fair Value Per Share, Released \| $ / shares	115.52
Weighted Average Grant Date Fair Value Per Share, Forfeited \| $ / shares	53.87
Weighted-Average Grant Date Fair Value Per Share,Outstanding as of December 31, 2025 \| $ / shares	$ 39.3
Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding as of December 31, 2024 \| shares	229
Granted \| shares	743
Released \| shares	(129)
Forfeited \| shares	(134)
Outstanding as of December 31, 2025 \| shares	709
Weighted-Average Grant Date Fair Value Per Share, Outstanding as of December 31, 2024 \| $ / shares	$ 93.97
Weighted-Average Grant Date Fair Value Per Share, Granted \| $ / shares	19.39
Weighted-Average Grant Date Fair Value Per Share, Released \| $ / shares	102.55
Weighted Average Grant Date Fair Value Per Share, Forfeited \| $ / shares	48.25
Weighted-Average Grant Date Fair Value Per Share,Outstanding as of December 31, 2025 \| $ / shares	$ 22.86

Income Taxes - Summary of Effective Tax Rate of the Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Loss Carryforwards [Line Items]
U.S. Federal statutory income tax rate	$ (16,997)
Federal statutory income tax rate		21.00%	21.00%
Federal statutory income tax rate	21.00%
State and local income taxes, net of federal	$ 0
State taxes	0.00%	1.10%	3.20%
Foreign rate differential, percent		(17.30%)	(22.00%)
Foreign branch income	$ (2,360)
Foreign branch income, percent	2.90%
Tax credits	$ 765
Federal and state tax credits	0.90%	(1.40%)	(1.30%)
Valuation allowances	$ 14,492
Effect of deferred tax adjustment	(17.90%)	(0.10%)	0.00%
Non-deductible permanent expenses		(0.50%)	(0.70%)
Non-deductible compensation		(0.70%)	(1.00%)
Stock-based compensation	$ 3,536
Stock-based compensation expense, percent	(4.30%)	(5.30%)	(2.00%)
Other nontaxable or nondeductible items	$ (120)
Other nontaxable or nondeductible items, percent	0.10%
Other adjustment	$ 1
Other adjustment, percent	0.00%
Income Tax Expense (Benefit), Total	$ 718	$ 491	$ 523
Effective Income Tax Rate Reconciliation, Percent, Total	(0.90%)	(0.40%)	(0.20%)
MEXICO \| Maquiladora Safe Harbor Profit [Member]
Operating Loss Carryforwards [Line Items]
Foreign rate differential	$ 3,863
Foreign rate differential, percent	(4.80%)
MEXICO \| Foreign rate differential [Member]
Operating Loss Carryforwards [Line Items]
Foreign rate differential	$ (948)
Foreign rate differential, percent	1.20%
MEXICO \| Other [Member]
Operating Loss Carryforwards [Line Items]
Foreign rate differential	$ 16
Foreign rate differential, percent	0.00%

Workforce Reduction (Tables)

12 Months Ended

Dec. 31, 2025

Workforce reduction [Abstract]

Schedule of Severance and Related Benefits Charges Related to the May 2024 Workforce Reduction Plan

The following table sets forth severance and related benefits charges included in the statements of operations (in thousands):


	Years Ended December 31,
	2025			2024		2023
Cost of revenue	$	—		$	579	$	129
Research and development		34			2,107		739
Sales and marketing		—			2,149		1,294
General and administrative		(42	)		720		370
Total	$	(8	)	$	5,555	$	2,532

Schedule of Changes in Liabilities Resulting from the Severance Charges and Related Accruals

Net Loss Per Share - Schedule of Outstanding Potentially Dilutive Shares were Excluded from Calculation of Diluted Net Loss Per Share (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from calculation of diluted net loss per share	1,295	386	339
Performance Shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from calculation of diluted net loss per share	7	17	13
Shares Committed under ESPP
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from calculation of diluted net loss per share	123	44	21
Stock Options to Purchase Common Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from calculation of diluted net loss per share	81	92	129
Restricted Stock Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from calculation of diluted net loss per share	709	229	172
Warrant to Purchase Common Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from calculation of diluted net loss per share	375	4	4

Related Party Transactions (Additional Information) (Details) - Series A Preferred Stock [Member] $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) shares
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, Employee Stock Ownership Plan \| shares	19,000
Convertible Preferred Stock for a Total Purchase Price \| $	$ 3.9

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

Commitments and Contingencies - Schedule of Components of Lease Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Operating lease costs	$ 1,892	$ 1,892	$ 1,837
Variable lease costs	423	351	435
Short-term lease costs	35	115	94
Total lease costs	$ 2,350	$ 2,358	$ 2,366

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Loss before Provision for Income Taxes

Loss before provision for income taxes were as follows for the periods indicated (in thousands):


	Years Ended December 31,
	2025			2024			2023
Domestic	$	(70,397	)	$	(116,693	)	$	(158,095	)
Foreign		(10,538	)		(10,792	)		(14,179	)
Loss before provision for income taxes	$	(80,935	)	$	(127,485	)	$	(172,274	)

Summary of Effective Tax Rate of the Provision for Income Taxes

The following table is a reconciliation of the U.S. federal statutory rate to the Company’s effective rate for the year ended December 31, 2025 in accordance with the guidance in ASU No. 2023-09:


	Year Ended December 31, 2025
U.S. Federal statutory income tax rate	$	(16,997	)	21.0		%
State and local income taxes, net of federal		—		—
Foreign tax effects:
Mexico
Maquiladora safe harbor profit		3,863		(4.8	)
Foreign rate differential		(948	)	1.2
Other		16		—
Effect of cross-border tax laws:
Foreign branch income		(2,360	)	2.9
Tax credits		(765	)	0.9
Valuation allowances		14,492		(17.9	)
Nontaxable or nondeductible items:
Stock-based compensation		3,536		(4.3	)
Other		(120	)	0.1
Other adjustment		1		—
Effective income tax rate	$	718		(0.9	)	%


	Years Ended December 31,
	2024				2023
Federal statutory income tax rate		21.0		%		21.0		%
State taxes		1.1				3.2
Change in valuation allowance		(17.3	)			(22.0	)
Federal and state tax credits		1.4				1.3
Stock-based compensation expense		(5.3	)			(2.0	)
Non-deductible permanent expenses		(0.5	)			(0.7	)
Effect of deferred tax adjustment		(0.1	)			—
Non-deductible compensation		(0.7	)			(1.0	)
Effective income tax rate		(0.4	)	%		(0.2	)	%

Summary of Components of the Deferred Tax Assets and liabilities

The major components of deferred tax assets and liabilities were as follows as of the dates indicated (in thousands):


	December 31,
	2025			2024
Deferred tax assets:
Net operating loss carryforwards	$	201,253		$	180,588
Tax credits		19,751			18,163
Accrual and reserves		3,434			3,137
Tangible and intangible assets		1,656			3,534
Stock-based compensation expense		2,091			2,333
Capitalized research costs		22,817			29,014
Other deferred tax asset		9,580			8,386
Gross deferred tax assets		260,582			245,155
Valuation allowance		(259,423	)		(244,165	)
Net deferred tax assets	$	1,159		$	990

	December 31,
	2025			2024
Deferred tax liabilities:
Right-of-use assets	$	(1,159	)	$	(990	)
Gross deferred tax liabilities	$	(1,159	)	$	(990	)

Summary of Reconciliation of the Total Unrecognized Tax Benefits

A reconciliation of the total unrecognized tax benefits for the periods presented was as follows (in thousands):


	December 31,
	2025		2024
Balance, beginning of year	$	4,423	$	3,781
Increase related to prior years positions		—		—
Decrease related to current year positions		—		—
Increase related to current year positions		548		642
Balance, end of year	$	4,971	$	4,423

Balance Sheet Components - Summary of cash, cash equivalents and restricted cash (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	$ 35,006	$ 124,014
Restricted cash	$ 3,829	$ 3,329	$ 3,329