EXAGEN INC. Auditor
The independent registered public accounting firm that signed the audit report in each annual report on Form 10-K, newest first. PCAOB firm ID and the internal-control attestation are as tagged on the cover from fiscal 2021; earlier rows come from the signed report text.
- 2026-03-10: Fiscal year end 2025-12-31; Auditor BDO USA, P.C.; PCAOB firm ID 243; Location San Diego, California.
- 2025-03-11: Fiscal year end 2024-12-31; Auditor BDO USA, P.C.; PCAOB firm ID 243; Location San Diego, California.
- 2024-03-18: Fiscal year end 2023-12-31; Auditor BDO USA, P.C.; PCAOB firm ID 243; Location San Diego, California.
- 2023-03-20: Fiscal year end 2022-12-31; Auditor BDO USA, LLP; PCAOB firm ID 243; Location San Diego, California.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-03-10 | 2025-12-31 | BDO USA, P.C. | 243 | San Diego, California | No |
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| 2025-03-11 | 2024-12-31 | BDO USA, P.C. | 243 | San Diego, California | No |
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| 2024-03-18 | 2023-12-31 | BDO USA, P.C. | 243 | San Diego, California | No |
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| 2023-03-20 | 2022-12-31 | BDO USA, LLP | 243 | San Diego, California | No |
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| 2022-03-22 | 2021-12-31 | BDO USA, LLP | 243 | San Diego, California | No |
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| 2021-03-16 | 2020-12-31 | BDO USA, LLP | | San Diego, California | No |
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| 2020-03-25 | 2019-12-31 | BDO USA, LLP | | San Diego, California | |
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