# Annexon, Inc.: filings

ANNX · Nasdaq · CIK 1528115 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/annx.md) · [Financials](/companies/annx/financials.md) · [Filings](/companies/annx/filings.md) · [Insiders](/companies/annx/insiders.md)

## Reports and events: 114 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 171, 8-K 74, 144 44, SC 13G/A 35, 3 32, SC 13G 25, 10-Q 19, SCHEDULE 13G/A 13, S-8 10, CORRESP 8, 10-K 6, 424B5 6, DEF 14A 6, DEFA14A 6, UPLOAD 6, EFFECT 5, ARS 4, D 4, DRS/A 3, S-3 3, SCHEDULE 13G 3, DRSLTR 2, FWP 2, S-1/A 2, S-3ASR 2, SC 13D 2, SC 13D/A 2, SEC STAFF LETTER 2, 424B3 1, 424B4 1, 4/A 1, 8-A12B 1, 8-K/A 1, CERT 1, DRS 1, POS AM 1, POSASR 1, POS EX 1, PRE 14A 1, S-1 1, S-1MEF 1, SCHEDULE 13D/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-12 | 16:00 ET | [10-Q](/filings/0001193125-26-346779.md) | Quarterly report, period 2026-06-30 | 0001193125-26-346779 |
| 2026-08-12 | 06:30 ET | [8-K](/filings/0001193125-26-345672.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-345672 |
| 2026-08-10 | 16:35 ET | [8-K](/filings/0001193125-26-342524.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-342524 |
| 2026-08-06 | 08:17 ET | [8-K](/filings/0001193125-26-336867.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-336867 |
| 2026-07-30 | 16:25 ET | [8-K](/filings/0001193125-26-326199.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-326199 |
| 2026-06-12 | 16:16 ET | [8-K](/filings/0001193125-26-269479.md) | 5.07 Shareholder vote results | 0001193125-26-269479 |
| 2026-05-07 | 16:12 ET | [10-Q](/filings/0001193125-26-211931.md) | Quarterly report, period 2026-03-31 | 0001193125-26-211931 |
| 2026-05-07 | 16:05 ET | [8-K](/filings/0001193125-26-211863.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-211863 |
| 2026-04-27 | 16:06 ET | [DEF 14A](/filings/0001140361-26-017085.md) | Proxy statement, period 2026-06-11 | 0001140361-26-017085 |
| 2026-03-30 | 17:30 ET | [10-K](/filings/0001193125-26-131782.md) | Annual report, period 2025-12-31 | 0001193125-26-131782 |
| 2026-03-30 | 17:29 ET | [8-K](/filings/0001193125-26-131746.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-131746 |
| 2026-02-17 | 16:16 ET | [8-K](/filings/0001193125-26-054695.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-054695 |
| 2026-01-14 | 16:05 ET | [8-K](/filings/0001193125-26-012918.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-012918 |
| 2026-01-12 | 07:05 ET | [8-K](/filings/0001193125-26-009740.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-009740 |
| 2025-11-21 | 19:27 ET | [SCHEDULE 13D/A](/filings/0000895345-25-000365.md) | Ownership report, active investor, amended | 0000895345-25-000365 |
| 2025-11-14 | 16:41 ET | [8-K](/filings/0001193125-25-283191.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-283191 |
| 2025-11-10 | 16:10 ET | [10-Q](/filings/0001193125-25-274240.md) | Quarterly report, period 2025-09-30 | 0001193125-25-274240 |
| 2025-11-10 | 16:08 ET | [8-K](/filings/0001193125-25-274220.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-274220 |
| 2025-08-14 | 16:10 ET | [10-Q](/filings/0000950170-25-108869.md) | Quarterly report, period 2025-06-30 | 0000950170-25-108869 |
| 2025-08-14 | 16:09 ET | [8-K](/filings/0000950170-25-108859.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-108859 |
| 2025-06-25 | 16:35 ET | [8-K](/filings/0001193125-25-147005.md) | 3.03 Change to security holders’ rights; 9.01 Financial statements and exhibits | 0001193125-25-147005 |
| 2025-06-09 | 16:05 ET | [8-K](/filings/0001193125-25-137810.md) | 5.07 Shareholder vote results | 0001193125-25-137810 |
| 2025-05-12 | 16:10 ET | [10-Q](/filings/0000950170-25-069200.md) | Quarterly report, period 2025-03-31 | 0000950170-25-069200 |
| 2025-05-12 | 16:05 ET | [8-K](/filings/0000950170-25-069156.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-069156 |
| 2025-04-23 | 16:01 ET | [DEF 14A](/filings/0001140361-25-015175.md) | Proxy statement, period 2025-06-05 | 0001140361-25-015175 |
| 2025-03-03 | 16:10 ET | [10-K](/filings/0000950170-25-030849.md) | Annual report, period 2024-12-31 | 0000950170-25-030849 |
| 2025-03-03 | 16:05 ET | [8-K](/filings/0000950170-25-030824.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-030824 |
| 2025-01-13 | 08:06 ET | [8-K](/filings/0001193125-25-005009.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-005009 |
| 2025-01-10 | 08:13 ET | [8-K](/filings/0001193125-25-004133.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-004133 |
| 2024-12-16 | 07:46 ET | [8-K](/filings/0001193125-24-279038.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-279038 |
| 2024-11-14 | 16:10 ET | [10-Q](/filings/0000950170-24-127057.md) | Quarterly report, period 2024-09-30 | 0000950170-24-127057 |
| 2024-11-14 | 16:05 ET | [8-K](/filings/0000950170-24-127027.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-127027 |
| 2024-10-22 | 20:15 ET | [8-K](/filings/0001193125-24-240585.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-240585 |
| 2024-08-12 | 16:05 ET | [10-Q](/filings/0000950170-24-095401.md) | Quarterly report, period 2024-06-30 | 0000950170-24-095401 |
| 2024-08-12 | 08:05 ET | [8-K](/filings/0000950170-24-095073.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-095073 |
| 2024-08-05 | 08:11 ET | [8-K](/filings/0001193125-24-193404.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-193404 |
| 2024-06-25 | 17:14 ET | [8-K](/filings/0001193125-24-167962.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-167962 |
| 2024-06-12 | 12:28 ET | [8-K](/filings/0001193125-24-159748.md) | 5.07 Shareholder vote results | 0001193125-24-159748 |
| 2024-06-07 | 16:42 ET | [8-K](/filings/0001193125-24-157454.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-157454 |
| 2024-06-04 | 07:05 ET | [8-K](/filings/0001193125-24-153625.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-153625 |
| 2024-05-13 | 16:10 ET | [10-Q](/filings/0000950170-24-058659.md) | Quarterly report, period 2024-03-31 | 0000950170-24-058659 |
| 2024-05-13 | 16:05 ET | [8-K](/filings/0000950170-24-058629.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-058629 |
| 2024-05-07 | 16:05 ET | [8-K](/filings/0001193125-24-133086.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-133086 |
| 2024-04-25 | 16:03 ET | [DEF 14A](/filings/0001140361-24-022025.md) | Proxy statement, period 2024-06-05 | 0001140361-24-022025 |
| 2024-03-26 | 16:10 ET | [10-K](/filings/0000950170-24-036408.md) | Annual report, period 2023-12-31 | 0000950170-24-036408 |
| 2024-03-26 | 16:05 ET | [8-K](/filings/0000950170-24-036399.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-036399 |
| 2024-03-04 | 17:25 ET | [8-K](/filings/0001193125-24-058031.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-058031 |
| 2024-01-08 | 16:09 ET | [8-K](/filings/0001193125-24-004387.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-004387 |
| 2023-12-22 | 17:28 ET | [8-K/A](/filings/0001193125-23-302246.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-23-302246 |
| 2023-12-21 | 16:09 ET | [8-K](/filings/0001193125-23-301190.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-23-301190 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:13 ET. No prices; not investment advice.