Annexon, Inc. SEC filings ANNX
Annexon, Inc. has 522 filings in SEC EDGAR's recent list, going back to Aug 22, 2011. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 12, 2026 (results of operations, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-3ASR | Automatic shelf registration | Mar 31, 2026 | — |
| S-8 | Employee stock plan registration | Mar 31, 2026 | — |
| 424B5 | Prospectus supplement | Nov 13, 2025 | — |
| 424B5 | Prospectus supplement | Nov 12, 2025 | — |
| S-8 | Employee stock plan registration | Mar 3, 2025 | — |
| S-8 | Employee stock plan registration | Dec 19, 2024 | — |
| S-8 | Employee stock plan registration | Sep 27, 2024 | — |
| S-3 | Shelf registration | Aug 12, 2024 | — |
| 424B5 | Prospectus supplement | Jun 7, 2024 | — |
| FWP | Free writing prospectus | Jun 6, 2024 | — |
| 424B5 | Prospectus supplement | Jun 4, 2024 | — |
| 424B5 | Prospectus supplement | Apr 5, 2024 | — |
| S-3 | Shelf registration | Mar 26, 2024 | — |
| S-8 | Employee stock plan registration | Mar 26, 2024 | — |
| 424B5 | Prospectus supplement | Dec 21, 2023 | — |
| FWP | Free writing prospectus | Dec 20, 2023 | — |
| S-8 | Employee stock plan registration | Mar 6, 2023 | — |
| 424B3 | Prospectus | Nov 16, 2022 | — |
| S-3 | Shelf registration | Nov 4, 2022 | — |
| S-8 | Employee stock plan registration | Aug 8, 2022 | — |
| POS AM | Filing | Mar 2, 2022 | — |
| S-8 | Employee stock plan registration | Mar 2, 2022 | — |
| S-3ASR | Automatic shelf registration | Aug 16, 2021 | — |
| S-8 | Employee stock plan registration | Mar 25, 2021 | — |
| S-8 | Employee stock plan registration | Jul 24, 2020 | — |
| 424B4 | Prospectus | Jul 24, 2020 | — |
| S-1MEF | Filing | Jul 23, 2020 | — |
| S-1/A | Amended registration statement | Jul 23, 2020 | — |
| S-1/A | Amended registration statement | Jul 20, 2020 | — |
| S-1 | Registration statement | Jul 2, 2020 | — |
Showing 30 filings. 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.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ANNX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Brisbane, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1528115
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.