Alnylam Pharmaceuticals, Inc. SEC filings ALNY
Alnylam Pharmaceuticals, Inc. has 1,002 filings in SEC EDGAR's recent list, going back to Sep 12, 2014. Its latest annual report, Form ARS, was filed on Apr 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (officer or director change, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change, Other events
|
Nov 5, 2026 | Nov 2, 2026 |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2026 | Jul 30, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 27, 2026 | May 20, 2026 |
| 10-Q | Quarterly report | Apr 30, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| ARS | Annual report to shareholders | Apr 6, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 6, 2026 | — |
| DEF 14A | Proxy statement | Apr 6, 2026 | May 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 4, 2026 | Mar 2, 2026 |
| S-8 | Employee stock plan registration | Feb 12, 2026 | — |
| 10-K | Annual report | Feb 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 12, 2026 | Feb 12, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 12, 2026 | Jan 11, 2026 |
| 8-K |
Current report
Other events
|
Dec 11, 2025 | Dec 10, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 3, 2025 | Dec 2, 2025 |
| 10-Q | Quarterly report | Oct 30, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 3, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Sep 12, 2025 | Sep 12, 2025 |
| 8-K |
Current report
Other events
|
Sep 10, 2025 | Sep 8, 2025 |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 18, 2025 | Jun 12, 2025 |
| UPLOAD | Letter from the SEC | Jun 17, 2025 | — |
| CORRESP | Letter to the SEC | May 22, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 13, 2025 | May 8, 2025 |
| UPLOAD | Letter from the SEC | May 9, 2025 | — |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K | Current report | May 1, 2025 | May 1, 2025 |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| ARS | Annual report to shareholders | Mar 24, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 24, 2025 | — |
| DEF 14A | Proxy statement | Mar 24, 2025 | May 8, 2025 |
| 8-K |
Current report
Other events
|
Mar 21, 2025 | Mar 20, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 14, 2025 | May 8, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 5, 2025 | Mar 3, 2025 |
| 10-K | Annual report | Feb 13, 2025 | Dec 31, 2024 |
| 8-K | Current report | Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 13, 2025 | Jan 12, 2025 |
| 10-Q | Quarterly report | Oct 31, 2024 | Sep 30, 2024 |
| 8-K | Current report | Oct 31, 2024 | Oct 31, 2024 |
| UPLOAD | Letter from the SEC | Sep 25, 2024 | — |
| CORRESP | Letter to the SEC | Aug 22, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 12, 2024 | — |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K | Current report | Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2024 | May 16, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K | Current report | May 2, 2024 | May 2, 2024 |
| ARS | Annual report to shareholders | Apr 1, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 1, 2024 | — |
| DEF 14A | Proxy statement | Apr 1, 2024 | May 16, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 4, 2024 | Mar 4, 2024 |
| 10-K | Annual report | Feb 15, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 19, 2024 | Jan 12, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 8, 2024 | Jan 7, 2024 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Other events
|
Oct 10, 2023 | Oct 9, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 28, 2023 | Sep 26, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 3, 2023 | Jul 31, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 26, 2023 | Jul 21, 2023 |
| 8-K |
Current report
Other events
|
Jun 30, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2023 | May 18, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| ARS | Annual report to shareholders | Apr 3, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 3, 2023 | — |
| DEF 14A | Proxy statement | Apr 3, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Mar 8, 2023 | Mar 7, 2023 |
| S-8 | Employee stock plan registration | Feb 23, 2023 | — |
| 10-K | Annual report | Feb 23, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2023 | Feb 23, 2023 |
| CT ORDER | Filing | Feb 14, 2023 | — |
| 8-K |
Current report
Results of operations
|
Jan 9, 2023 | Jan 8, 2023 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 6, 2023 | Jan 5, 2023 |
| 10-Q | Quarterly report | Oct 27, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale
|
Sep 16, 2022 | Sep 12, 2022 |
| 8-K |
Current report
Other events
|
Sep 13, 2022 | Sep 12, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 24, 2022 | Aug 19, 2022 |
| 10-Q | Quarterly report | Jul 28, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Other events
|
Jun 14, 2022 | Jun 13, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2022 | May 18, 2022 |
| 10-Q | Quarterly report | Apr 28, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2022 | Apr 28, 2022 |
| DEFA14A | Additional proxy material | Apr 5, 2022 | — |
| DEF 14A | Proxy statement | Apr 5, 2022 | May 18, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Other events
|
Apr 4, 2022 | Apr 4, 2022 |
| 8-K |
Current report
Other events
|
Mar 17, 2022 | Mar 17, 2022 |
| 10-K | Annual report | Feb 10, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2022 | Feb 10, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2022 | Jan 9, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 4, 2022 | Jan 4, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 20, 2021 | Dec 14, 2021 |
| 10-Q | Quarterly report | Oct 28, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Oct 28, 2021 | Oct 26, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 8, 2021 | Sep 6, 2021 |
| 10-Q | Quarterly report | Aug 3, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Aug 3, 2021 | Aug 2, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2021 | May 18, 2021 |
| 10-Q | Quarterly report | Apr 29, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2021 | Apr 29, 2021 |
| 8-K |
Current report
Other events
|
Apr 12, 2021 | Apr 12, 2021 |
| DEFA14A | Additional proxy material | Apr 2, 2021 | — |
| DEF 14A | Proxy statement | Apr 2, 2021 | May 18, 2021 |
| SEC STAFF LETTER | Filing | Mar 18, 2021 | — |
| SEC STAFF LETTER | Filing | Feb 18, 2021 | — |
| S-8 | Employee stock plan registration | Feb 11, 2021 | — |
| 10-K | Annual report | Feb 11, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 11, 2021 | Feb 11, 2021 |
| 8-K |
Current report
Results of operations
|
Jan 11, 2021 | Jan 10, 2021 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Oct 2, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Material agreement
|
Aug 20, 2020 | Aug 15, 2020 |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Aug 6, 2020 | Aug 3, 2020 |
| S-3ASR | Automatic shelf registration | Jun 5, 2020 | — |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2020 | May 6, 2020 |
| 10-Q | Quarterly report | May 6, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Apr 13, 2020 | Apr 10, 2020 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Apr 6, 2020 | Apr 3, 2020 |
| DEFA14A | Additional proxy material | Mar 24, 2020 | — |
| DEF 14A | Proxy statement | Mar 23, 2020 | May 6, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 27, 2020 | Feb 26, 2020 |
| S-8 | Employee stock plan registration | Feb 13, 2020 | — |
| 10-K | Annual report | Feb 13, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2020 | Feb 6, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 13, 2020 | Jan 12, 2020 |
| 8-K |
Current report
Other events
|
Nov 20, 2019 | Nov 20, 2019 |
| 10-Q | Quarterly report | Oct 31, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2019 | Oct 31, 2019 |
| 8-K |
Current report
Other events
|
Oct 3, 2019 | Sep 27, 2019 |
| 10-Q | Quarterly report | Aug 6, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2019 | Aug 6, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 11, 2019 | Jul 8, 2019 |
| CT ORDER | Filing | Jul 5, 2019 | — |
| 8-K |
Current report
Other events
|
May 21, 2019 | May 21, 2019 |
| CT ORDER | Filing | May 2, 2019 | — |
| 10-Q | Quarterly report | May 2, 2019 | Mar 31, 2019 |
| CT ORDER | Filing | May 2, 2019 | — |
| CT ORDER | Filing | May 2, 2019 | — |
| 8-K |
Current report
Results of operations
|
May 1, 2019 | May 1, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Apr 26, 2019 | Apr 25, 2019 |
| DEFA14A | Additional proxy material | Apr 10, 2019 | — |
| CT ORDER | Filing | Apr 10, 2019 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Apr 9, 2019 | Apr 8, 2019 |
| DEFA14A | Additional proxy material | Apr 8, 2019 | — |
| UPLOAD | Letter from the SEC | Mar 21, 2019 | — |
| DEF 14A | Proxy statement | Mar 21, 2019 | Apr 25, 2019 |
| PRER14A | Filing | Mar 18, 2019 | — |
| PRE 14A | Preliminary proxy statement | Mar 11, 2019 | Apr 25, 2019 |
| 10-K | Annual report | Feb 14, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2019 | Feb 7, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
Jan 15, 2019 | Jan 14, 2019 |
| 424B5 | Prospectus supplement | Jan 15, 2019 | — |
| 424B5 | Prospectus supplement | Jan 14, 2019 | — |
| 8-K |
Current report
Results of operations
|
Jan 7, 2019 | Jan 7, 2019 |
| 8-K |
Current report
Other events
|
Dec 10, 2018 | Dec 9, 2018 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2018 | Nov 7, 2018 |
| 8-K |
Current report
Officer or director change
|
Oct 10, 2018 | Oct 9, 2018 |
| 8-K |
Current report
Material agreement
|
Oct 2, 2018 | Sep 27, 2018 |
| CT ORDER | Filing | Sep 12, 2018 | — |
| 8-K |
Current report
Material agreement
|
Aug 17, 2018 | Aug 14, 2018 |
| 8-K |
Current report
Other events
|
Aug 10, 2018 | Aug 10, 2018 |
| S-8 POS | Filing | Aug 2, 2018 | — |
| S-8 POS | Filing | Aug 2, 2018 | — |
| S-8 POS | Filing | Aug 2, 2018 | — |
| S-8 POS | Filing | Aug 2, 2018 | — |
| S-8 | Employee stock plan registration | Aug 2, 2018 | — |
| 10-Q | Quarterly report | Aug 2, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2018 | Aug 2, 2018 |
| CT ORDER | Filing | Jun 5, 2018 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 15, 2018 | May 10, 2018 |
| 10-Q | Quarterly report | May 4, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 3, 2018 | May 3, 2018 |
| 8-K |
Current report
Other events
|
Apr 20, 2018 | Apr 18, 2018 |
| 8-K |
Current report
Material agreement
|
Apr 3, 2018 | Mar 28, 2018 |
| DEF 14A | Proxy statement | Mar 23, 2018 | May 10, 2018 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Mar 14, 2018 | Mar 8, 2018 |
| 10-K | Annual report | Feb 15, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2018 | Feb 8, 2018 |
| CT ORDER | Filing | Jan 24, 2018 | — |
| CT ORDER | Filing | Jan 24, 2018 | — |
| UPLOAD | Letter from the SEC | Jan 23, 2018 | — |
| CORRESP | Letter to the SEC | Jan 19, 2018 | — |
| UPLOAD | Letter from the SEC | Jan 10, 2018 | — |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Jan 8, 2018 | Jan 6, 2018 |
| 8-K |
Current report
Other events
|
Jan 3, 2018 | Dec 27, 2017 |
| CORRESP | Letter to the SEC | Dec 11, 2017 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ALNY (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Cambridge, MA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1178670
- Former names
- ALNYLAM PHARMACEUTICALS INC (until Jul 2, 2004)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.