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 |
|---|---|---|---|
| EFFECT | Filing | Aug 15, 2024 | — |
| CORRESP | Letter to the SEC | Aug 13, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 13, 2024 | — |
| EFFECT | Filing | Apr 1, 2024 | — |
| CORRESP | Letter to the SEC | Mar 28, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 28, 2024 | — |
| EFFECT | Filing | Nov 16, 2022 | — |
| CORRESP | Letter to the SEC | Nov 14, 2022 | — |
| UPLOAD | Letter from the SEC | Nov 10, 2022 | — |
| D | Filing | Jul 22, 2022 | — |
| EFFECT | Filing | May 3, 2022 | — |
| POS EX | Filing | May 3, 2022 | — |
| POSASR | Filing | Mar 1, 2022 | — |
| EFFECT | Filing | Jul 23, 2020 | — |
| SEC STAFF LETTER | Filing | Jul 23, 2020 | — |
| CERT | 8a cert | Jul 22, 2020 | — |
| 8-A12B | Filing | Jul 21, 2020 | — |
| CORRESP | Letter to the SEC | Jul 21, 2020 | — |
| CORRESP | Letter to the SEC | Jul 21, 2020 | — |
| CORRESP | Letter to the SEC | Jul 20, 2020 | — |
| UPLOAD | Letter from the SEC | Jul 16, 2020 | — |
| CORRESP | Letter to the SEC | Jul 16, 2020 | — |
| D | Filing | Jul 16, 2020 | — |
| CORRESP | Letter to the SEC | Jul 14, 2020 | — |
| DRS/A | Filing | Feb 26, 2020 | — |
| DRSLTR | Filing | Dec 6, 2019 | — |
| DRS/A | Filing | Dec 6, 2019 | — |
| UPLOAD | Letter from the SEC | Nov 22, 2019 | — |
| DRSLTR | Filing | Nov 8, 2019 | — |
| DRS/A | Filing | Nov 8, 2019 | — |
| UPLOAD | Letter from the SEC | Oct 16, 2019 | — |
| SEC STAFF LETTER | Filing | Oct 8, 2019 | — |
| DRS | Filing | Sep 18, 2019 | — |
| D | Filing | Dec 19, 2018 | — |
| D | Filing | Aug 22, 2011 | — |
Showing 35 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.