Company facts
- Industry
- Pharmaceutical Preparations
- Headquarters
- Waltham, Massachusetts
- Most recent report
- 8-K, filed Sep 2, 2026
- Incorporated
- Delaware
- Filings on record
- 613 filings
- On EDGAR
- CIK 1622229
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 35
News 8 of 99
Prospectuses and Registrations 8 of 44
- 424B5 Prospectus supplement for an offering Aug 10, 2026
- S-8 Registration statement for an employee plan Feb 17, 2026
- 424B5 Prospectus supplement for an offering Nov 12, 2025
- 424B5 Prospectus supplement for an offering Nov 12, 2025
- FWP Free writing prospectus Nov 12, 2025
- 424B5 Prospectus supplement for an offering Nov 12, 2025
- 424B5 Prospectus supplement for an offering Nov 12, 2025
- S-3ASR Automatic shelf registration Nov 7, 2025
Proxies 8 of 22
- DEFA14A Extra proxy material Apr 23, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 23, 2026
- DEFA14A Extra proxy material Apr 22, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 22, 2025
- PRE 14A Preliminary proxy statement Apr 11, 2025
- DEFA14A Extra proxy material Apr 23, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 23, 2024
- PRE 14A Preliminary proxy statement Apr 12, 2024
Ownership 8 of 360
- 4 Insider reported a trade Aug 31, 2026
- 144 Notice of a proposed sale of restricted stock Aug 27, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 13, 2026
- SCHEDULE 13G Large holder reported a passive stake Jul 31, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Jul 27, 2026
- 4 Insider reported a trade Jul 6, 2026
- 4 Insider reported a trade Jun 11, 2026
- 4 Insider reported a trade Jun 11, 2026
Other 8 of 53
- ARS Annual report sent to shareholders Apr 23, 2026
- EFFECT Notice that a registration became effective May 9, 2025
- ARS Annual report sent to shareholders Apr 22, 2025
- ARS Annual report sent to shareholders Apr 23, 2024
- EFFECT Notice that a registration became effective Apr 10, 2024
- CORRESP Reply to SEC staff Apr 8, 2024
- UPLOAD Comment letter from SEC staff Apr 5, 2024
- ARS Annual report sent to shareholders Apr 25, 2023
Everything here comes from Cogent Biosciences, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.