ALNYLAM PHARMACEUTICALS, 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.
- 2026-02-12: Fiscal year end 2025-12-31; Auditor PricewaterhouseCoopers LLP; PCAOB firm ID 238; Location Boston, Massachusetts.
- 2025-02-13: Fiscal year end 2024-12-31; Auditor PricewaterhouseCoopers LLP; PCAOB firm ID 238; Location Boston, Massachusetts.
- 2024-02-15: Fiscal year end 2023-12-31; Auditor PricewaterhouseCoopers LLP; PCAOB firm ID 238; Location Boston, Massachusetts.
- 2023-02-23: Fiscal year end 2022-12-31; Auditor PricewaterhouseCoopers LLP; PCAOB firm ID 238; Location Boston, Massachusetts.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
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| 2026-02-12 | 2025-12-31 | PricewaterhouseCoopers LLP | 238 | Boston, Massachusetts | Yes |
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| 2025-02-13 | 2024-12-31 | PricewaterhouseCoopers LLP | 238 | Boston, Massachusetts | Yes |
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| 2024-02-15 | 2023-12-31 | PricewaterhouseCoopers LLP | 238 | Boston, Massachusetts | Yes |
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| 2023-02-23 | 2022-12-31 | PricewaterhouseCoopers LLP | 238 | Boston, Massachusetts | Yes |
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| 2022-02-10 | 2021-12-31 | PricewaterhouseCoopers LLP | 238 | Boston, Massachusetts | Yes |
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| 2021-02-11 | 2020-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | Yes |
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| 2020-02-13 | 2019-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2019-02-14 | 2018-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2018-02-15 | 2017-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2017-02-15 | 2016-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2016-02-12 | 2015-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2015-02-13 | 2014-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2014-02-20 | 2013-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2013-02-19 | 2012-12-31 | PricewaterhouseCoopers LLP | | | |
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| 2012-02-13 | 2011-12-31 | PricewaterhouseCoopers LLP | | | |
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| 2011-02-18 | 2010-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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| 2009-03-02 | 2008-12-31 | PricewaterhouseCoopers LLP | | Boston, Massachusetts | |
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