CytomX Therapeutics, 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.
- 2026-03-16: Fiscal year end 2025-12-31; Auditor Ernst & Young LLP; PCAOB firm ID 42; Location San Francisco, California.
- 2025-03-06: Fiscal year end 2024-12-31; Auditor Ernst & Young LLP; PCAOB firm ID 42; Location San Jose, California.
- 2024-03-11: Fiscal year end 2023-12-31; Auditor Ernst & Young LLP; PCAOB firm ID 42; Location San Jose, California.
- 2023-03-27: Fiscal year end 2022-12-31; Auditor Ernst & Young LLP; PCAOB firm ID 42; Location San Jose, California.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-03-16 | 2025-12-31 | Ernst & Young LLP | 42 | San Francisco, California | Yes |
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| 2025-03-06 | 2024-12-31 | Ernst & Young LLP | 42 | San Jose, California | Yes |
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| 2024-03-11 | 2023-12-31 | Ernst & Young LLP | 42 | San Jose, California | No |
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| 2023-03-27 | 2022-12-31 | Ernst & Young LLP | 42 | San Jose, California | No |
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| 2023-03-27 | 2021-12-31 | Ernst & Young LLP | 42 | California | Yes |
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| 2022-03-01 | 2021-12-31 | Ernst & Young LLP | 42 | Redwood City, California | Yes |
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| 2021-02-24 | 2020-12-31 | Ernst & Young LLP | | Redwood City, California | No |
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| 2020-02-27 | 2019-12-31 | Ernst & Young LLP | | Redwood City, California | |
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| 2019-02-27 | 2018-12-31 | Ernst & Young LLP | | Redwood City, California | |
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| 2018-03-07 | 2017-12-31 | Ernst & Young LLP | | Redwood City, California | |
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| 2017-03-02 | 2016-12-31 | PricewaterhouseCoopers LLP | | San Jose, California | |
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| 2016-03-07 | 2015-12-31 | PricewaterhouseCoopers LLP | | San Jose, California | |
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