Company facts
- Industry
- Pharmaceutical Preparations
- Headquarters
- Cambridge, Massachusetts
- Most recent report
- 8-K, filed Nov 5, 2026
- Incorporated
- N/A
- Filings on record
- 1,000+ filings
- On EDGAR
- CIK 1178670
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 50
News 8 of 143
Prospectuses and Registrations 8 of 22
- S-8 Registration statement for an employee plan Feb 12, 2026
- S-8 Registration statement for an employee plan Feb 23, 2023
- S-8 Registration statement for an employee plan Feb 11, 2021
- S-3ASR Automatic shelf registration Jun 5, 2020
- S-8 Registration statement for an employee plan Feb 13, 2020
- 424B5 Prospectus supplement for an offering Jan 15, 2019
- 424B5 Prospectus supplement for an offering Jan 14, 2019
- S-8 POS Post-effective amendment to an employee plan registration Aug 2, 2018
Proxies 8 of 24
- DEFA14A Extra proxy material Apr 6, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 6, 2026
- DEFA14A Extra proxy material Apr 4, 2025
- DEFA14A Extra proxy material Mar 24, 2025
- DEF 14A Proxy statement for a shareholder vote Mar 24, 2025
- PRE 14A Preliminary proxy statement Mar 14, 2025
- DEFA14A Extra proxy material Apr 1, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 1, 2024
Ownership 8 of 719
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 5, 2026
- SCHEDULE 13G Large holder reported a passive stake Oct 30, 2026
- 4 Insider reported a trade Oct 6, 2026
- 144 Notice of a proposed sale of restricted stock Oct 2, 2026
- 4 Insider reported a trade Sep 22, 2026
- 4 Insider reported a trade Jun 3, 2026
- 4 Insider reported a trade Jun 3, 2026
- 3 Insider reported their initial holding Jun 3, 2026
Other 8 of 42
- ARS Annual report sent to shareholders Apr 6, 2026
- UPLOAD Comment letter from SEC staff Jun 17, 2025
- CORRESP Reply to SEC staff May 22, 2025
- UPLOAD Comment letter from SEC staff May 9, 2025
- ARS Annual report sent to shareholders Mar 24, 2025
- UPLOAD Comment letter from SEC staff Sep 25, 2024
- CORRESP Reply to SEC staff Aug 22, 2024
- UPLOAD Comment letter from SEC staff Aug 12, 2024
Everything here comes from Alnylam Pharmaceuticals, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.