4
4 filing
- Filing date
- 25 Sep 2026
- Reporting date
- 24 Sep 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
Annexon, Inc. SEC filing history
160 indexed filings. This is the filing history currently indexed by PortfolioSavvy, which may not include every SEC submission.
SEC filing history
Showing 1–25 of 139 matching filings.
Per page
25
Current page
1
4
4 filing
- Filing date
- 12 Aug 2026
- Reporting date
- 10 Aug 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 15 Jun 2026
- Reporting date
- 11 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 29 May 2026
- Reporting date
- 28 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 13 May 2026
- Reporting date
- 11 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 14 Apr 2026
- Reporting date
- 10 Apr 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 12 Mar 2026
- Reporting date
- 10 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 04 Mar 2026
- Reporting date
- 02 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 04 Mar 2026
- Reporting date
- 02 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 04 Mar 2026
- Reporting date
- 02 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 04 Mar 2026
- Reporting date
- 02 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 04 Mar 2026
- Reporting date
- 02 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 23 Feb 2026
- Reporting date
- 19 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 23 Feb 2026
- Reporting date
- 19 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 23 Feb 2026
- Reporting date
- 19 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 23 Feb 2026
- Reporting date
- 19 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 23 Feb 2026
- Reporting date
- 19 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 23 Feb 2026
- Reporting date
- 19 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 20 Feb 2026
- Reporting date
- 18 Feb 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing