Company facts
- Industry
- Pharmaceutical Preparations
- Headquarters
- Brisbane, California
- Most recent report
- 10-Q, filed Nov 9, 2026
- Incorporated
- Delaware
- Filings on record
- 524 filings
- On EDGAR
- CIK 1528115
- Fiscal year ends
- December
- Filer status
- Non-accelerated filer, Smaller reporting company
Financials 8 of 26
News 8 of 76
Prospectuses and Registrations 8 of 29
- S-3ASR Automatic shelf registration Mar 31, 2026
- S-8 Registration statement for an employee plan Mar 31, 2026
- 424B5 Prospectus supplement for an offering Nov 13, 2025
- 424B5 Prospectus supplement for an offering Nov 12, 2025
- S-8 Registration statement for an employee plan Mar 3, 2025
- S-8 Registration statement for an employee plan Dec 19, 2024
- S-8 Registration statement for an employee plan Sep 27, 2024
- S-3 Shelf registration statement Aug 12, 2024
Proxies 8 of 13
- DEFA14A Extra proxy material Apr 27, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 27, 2026
- PRE 14A Preliminary proxy statement Apr 16, 2026
- DEFA14A Extra proxy material Apr 23, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 23, 2025
- DEFA14A Extra proxy material Apr 25, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2024
- DEFA14A Extra proxy material Apr 25, 2023
Ownership 8 of 340
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 5, 2026
- 4 Insider reported a trade Sep 25, 2026
- 144 Notice of a proposed sale of restricted stock Aug 13, 2026
- 4 Insider reported a trade Aug 12, 2026
- 3 Insider reported their initial holding Aug 12, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 7, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Jul 27, 2026
- 144 Notice of a proposed sale of restricted stock Jul 15, 2026
Other 8 of 40
- ARS Annual report sent to shareholders Apr 27, 2026
- ARS Annual report sent to shareholders Apr 23, 2025
- EFFECT Notice that a registration became effective Aug 15, 2024
- CORRESP Reply to SEC staff Aug 13, 2024
- UPLOAD Comment letter from SEC staff Aug 13, 2024
- ARS Annual report sent to shareholders Apr 25, 2024
- EFFECT Notice that a registration became effective Apr 1, 2024
- CORRESP Reply to SEC staff Mar 28, 2024
Everything here comes from Annexon, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.