| 2026-08-04 | 10-Q | 10.1 | Lease by and between LOA 26 LP, a Delaware limited partnership, by and through View 26 LLC, its General Partner and the Company |
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| 2026-05-11 | 10-Q | 10.1 | Amended & Restated Non-Employee Director Compensation Program |
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| 2026-03-10 | 10-K | 10.43 | First Amendment to Credit Agreement and Guaranty, dated March 6, 2026, by and among the Company and Perceptive Credit Holdings IV, LP. |
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| 2025-07-17 | 8-K | 10.1 | Amended & Restated Non-Employee Director Compensation Program |
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| 2025-04-28 | 8-K | 10.2 | Security Agreement, dated April 25, 2025, by and among the Company and Perceptive Credit Holdings IV, LP. |
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| 2025-04-28 | 8-K | 10.1 | Credit Agreement and Guaranty, dated April 25, 2025, by and among the Company and Perceptive Credit Holdings IV, LP. |
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| 2024-08-05 | 10-Q | 10.2 | Exagen Inc. Amended and Restated Executive Change in Control and Severance Plan. |
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| 2024-08-02 | 8-K | 10.1 | Employment Agreement, dated as of September 1, 2024, by and between the Company and Jeffrey Black. |
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| 2024-05-13 | 10-Q | 10.1 | Fourth Amendment to Loan and Security Agreement dated April 12, 2024, by and among Innovatus Life Sciences Lending I, LP, other lenders and the Company. |
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| 2023-12-11 | 8-K | 10.1 | Consulting Agreement, dated as of December 6, 2023, by and between the Company and Mark Hazeltine. |
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| 2023-11-13 | 10-Q | 10.2 | Exagen Inc. Clawback Policy. |
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| 2023-11-13 | 10-Q | 10.1 | Assignment and Assumption Agreement, by and among Liberty Vista, L.P., Mindera Corporation and the Company. |
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| 2023-05-04 | 8-K | 10.1 | Third Amendment to Loan and Security Agreement dated April 28, 2023, by and among Innovatus Life Sciences Lending I, LP, other lenders and the Company. |
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| 2022-12-05 | 8-K | 10.1 | Consulting Agreement, dated as of December 5, 2022, by and between the Company and Debra Zack, M.D., Ph.D. |
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| 2022-10-20 | 8-K | 10.2 | Severance Agreement, dated as of October 14, 2022, by and between the Company and Fortunato Ron Rocca. |
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| 2022-10-20 | 8-K | 10.1 | Employment Agreement, dated as of October 16, 2022, by and between the Company and John Aballi. |
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| 2022-05-11 | 10-Q | 10.1 | Exagen Inc. Amended and Restated Executive Change in Control and Severance Plan. |
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| 2022-04-28 | 8-K | 10.1 | Exagen Inc. Amended and Restated Executive Change in Control and Severance Plan |
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| 2021-11-10 | 10-Q | 10.6 | Letter Agreement, dated September 28, 2021, by and between the Company and Prometheus Laboratories Inc. |
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| 2021-11-10 | 10-Q | 10.5 | Second Amendment to Loan and Security Agreement dated November 1, 2021, by and among Innovatus Life Sciences Lending I, LP, other lenders and the Company. |
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| 2021-11-10 | 10-Q | 10.4 | First Amendment to Standard Industrial/Commercial Multi-Tenant Lease, dated October 19, 2021, by and between RGS Properties and the Company. |
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| 2021-11-10 | 10-Q | 10.3 | Fifth Amendment to Standard Industrial/Commercial Multi-Tenant Lease, dated October 19, 2021, by and between RGS Properties and the Company. |
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| 2021-11-10 | 10-Q | 10.2 | Second Amendment to Standard Industrial/Commercial Single-Tenant Lease, dated October 11, 2021, by and between Liberty Vista and the Company. |
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| 2021-11-10 | 10-Q | 10.1 | Sublease Agreement, dated August 19, 2021, by and between Plum Healthcare Group, LLC and the Company. |
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| 2021-08-09 | 10-Q | 10.1 | Amendment #4 to Co-Promotion Agreement, dated June 30, 2021 |
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| 2021-03-16 | 10-K | 10.46 | Executive Change in Control Severance Plan. |
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| 2021-03-16 | 10-K | 10.34 | First Amendment to Standard Industrial/Commercial Single-Tenant Lease, dated January 6, 2021, by and between Liberty Vista and the Registrant. |
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| 2021-03-16 | 10-K | 10.25 | Amendment #3 to Co-Promotion Agreement, dated December 23, 2020, by and between Janssen Biotech, Inc. and the Registrant. |
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| 2021-03-16 | 10-K | 10.5 | Form of Restricted Stock Unit Agreement under Exagen Inc. 2019 Incentive Award Plan. |
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| 2020-11-10 | 10-Q | 10.1 | Acknowledgement Letter to Loan and Security Agreement, by and between Innovatus Life Sciences Lending I, LP and the Registrant. |
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| 2020-07-28 | 10-Q | 10.2 | Amendment #2 to Co-Promotion Agreement, dated June 18, 2020, by and between Janssen Biotech, Inc. and the Registrant. |
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| 2020-07-28 | 10-Q | 10.1 | Amendment #1 to Co-Promotion Agreement, dated January 1, 2019, by and between Janssen Biotech, Inc. and the Registrant. |
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| 2020-03-25 | 10-K | 10.41 | Offer Letter dated February 21, 2020, by and between Debra Zack, MD Ph.D. and the Registrant. |
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| 2020-03-25 | 10-K | 10.36 | First Amendment to Loan and Security Agreement with Innovatus Life Sciences Lending I, LP dated November 19, 2019. |
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| 2020-03-25 | 10-K | 10.33 | Standard Industrial/Commercial Multi-Tenant Lease, dated March 17, 2020 by and between RGS Properties and the Registrant. |
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| 2020-03-25 | 10-K | 10.32 | Extension of Lease to Standard Industrial/Commercial Single-Tenant Lease, dated March 12, 2020, by and between Liberty Vista and the Registrant. |
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| 2020-03-25 | 10-K | 10.31 | First Amendment to Standard Industrial/Commercial Single-Tenant Lease, dated August 2, 2017, by and between Geiger Court, LLC and the Registrant. |
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| 2020-03-25 | 10-K | 10.29 | Fourth Amendment to Standard Industrial/Commercial Multi-Tenant Lease, dated March 16, 2020, by and between RGS Properties and the Registrant. |
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| 2020-03-25 | 10-K | 10.28 | Third Amendment to Standard Industrial/Commercial Multi-Tenant Lease, dated June 16, 2017, by and between RGS Properties and the Registrant. |
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| 2020-03-25 | 10-K | 10.27 | Second Amendment to Standard Industrial/Commercial Multi-Tenant Lease, dated April 29, 2016, by and between RGS Properties and the Registrant. |
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