# Septerna, Inc.: filings

SEPN · Nasdaq · CIK 1984086 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

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

## Reports and events: 41 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 61, 8-K 26, 3 19, 144 15, 10-Q 6, SCHEDULE 13G/A 6, CORRESP 4, S-8 3, 10-K 2, ARS 2, DEF 14A 2, DEFA14A 2, S-1/A 2, SC 13G 2, SCHEDULE 13G 2, UPLOAD 2, 424B4 1, 8-A12B 1, CERT 1, D 1, DRS 1, DRS/A 1, DRSLTR 1, EFFECT 1, S-1 1, S-1MEF 1, S-3ASR 1, SC 13D 1, SCHEDULE 13D/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-25 | 12:15 ET | [8-K](/filings/0001193125-26-364210.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-364210 |
| 2026-08-14 | 21:14 ET | [SCHEDULE 13D/A](/filings/0001346824-26-000228.md) | Ownership report, active investor, amended | 0001346824-26-000228 |
| 2026-08-10 | 20:06 ET | [10-Q](/filings/0001193125-26-342353.md) | Quarterly report, period 2026-06-30 | 0001193125-26-342353 |
| 2026-08-10 | 20:03 ET | [8-K](/filings/0001193125-26-342328.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-342328 |
| 2026-06-30 | 20:30 ET | [8-K](/filings/0001193125-26-290649.md) | 5.07 Shareholder vote results | 0001193125-26-290649 |
| 2026-05-11 | 20:08 ET | [10-Q](/filings/0001193125-26-216759.md) | Quarterly report, period 2026-03-31 | 0001193125-26-216759 |
| 2026-05-11 | 20:05 ET | [8-K](/filings/0001193125-26-216723.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-216723 |
| 2026-04-30 | 20:21 ET | [DEF 14A](/filings/0001193125-26-197404.md) | Proxy statement, period 2026-04-30 | 0001193125-26-197404 |
| 2026-04-13 | 12:30 ET | [8-K](/filings/0001193125-26-152045.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-152045 |
| 2026-03-09 | 20:11 ET | [10-K](/filings/0001193125-26-098507.md) | Annual report, period 2025-12-31 | 0001193125-26-098507 |
| 2026-03-09 | 20:08 ET | [8-K](/filings/0001193125-26-098489.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-098489 |
| 2026-03-02 | 12:00 ET | [8-K](/filings/0001193125-26-084142.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-084142 |
| 2026-01-12 | 13:30 ET | [8-K](/filings/0001193125-26-009864.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-009864 |
| 2026-01-08 | 21:31 ET | [8-K](/filings/0001193125-26-007772.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-007772 |
| 2025-11-10 | 13:44 ET | [10-Q](/filings/0001193125-25-273375.md) | Quarterly report, period 2025-09-30 | 0001193125-25-273375 |
| 2025-11-10 | 13:42 ET | [8-K](/filings/0001193125-25-273373.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-273373 |
| 2025-09-29 | 20:31 ET | [8-K](/filings/0001193125-25-223292.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-223292 |
| 2025-09-03 | 11:00 ET | [8-K](/filings/0001193125-25-194472.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-194472 |
| 2025-08-21 | 12:33 ET | [8-K](/filings/0001193125-25-184706.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-184706 |
| 2025-08-11 | 20:11 ET | [10-Q](/filings/0000950170-25-106551.md) | Quarterly report, period 2025-06-30 | 0000950170-25-106551 |
| 2025-08-11 | 20:06 ET | [8-K](/filings/0000950170-25-106540.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-106540 |
| 2025-08-04 | 20:05 ET | [8-K](/filings/0001193125-25-172595.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-172595 |
| 2025-07-02 | 20:15 ET | [8-K](/filings/0001193125-25-154955.md) | 8.01 Other events | 0001193125-25-154955 |
| 2025-06-18 | 20:31 ET | [8-K](/filings/0001193125-25-142747.md) | 5.07 Shareholder vote results | 0001193125-25-142747 |
| 2025-05-15 | 20:09 ET | [10-Q](/filings/0000950170-25-072619.md) | Quarterly report, period 2025-03-31 | 0000950170-25-072619 |
| 2025-05-15 | 20:07 ET | [8-K](/filings/0000950170-25-072612.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-072612 |
| 2025-05-14 | 11:14 ET | [8-K](/filings/0001193125-25-119386.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-119386 |
| 2025-04-29 | 20:05 ET | [DEF 14A](/filings/0001193125-25-103763.md) | Proxy statement, period 2025-06-17 | 0001193125-25-103763 |
| 2025-03-27 | 12:25 ET | [10-K](/filings/0000950170-25-045745.md) | Annual report, period 2024-12-31 | 0000950170-25-045745 |
| 2025-03-27 | 12:20 ET | [8-K](/filings/0001193125-25-064729.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-064729 |
| 2025-03-03 | 21:59 ET | [8-K](/filings/0001193125-25-044229.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-044229 |
| 2025-02-18 | 14:03 ET | [8-K](/filings/0001193125-25-028247.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-028247 |
| 2025-01-13 | 11:07 ET | [8-K](/filings/0001193125-25-004909.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-004909 |
| 2025-01-06 | 12:14 ET | [8-K](/filings/0001193125-25-001834.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-001834 |
| 2024-11-20 | 21:17 ET | [10-Q](/filings/0000950170-24-129274.md) | Quarterly report, period 2024-09-30 | 0000950170-24-129274 |
| 2024-11-20 | 21:10 ET | [8-K](/filings/0001193125-24-262539.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-262539 |
| 2024-11-04 | 21:39 ET | [SC 13D](/filings/0001104659-24-113930.md) | Ownership report, active investor | 0001104659-24-113930 |
| 2024-10-28 | 20:30 ET | [8-K](/filings/0001193125-24-245578.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001193125-24-245578 |
| 2024-10-24 | 11:51 ET | [S-1/A](/filings/0001193125-24-242300.md) | Registration statement, amended | 0001193125-24-242300 |
| 2024-10-21 | 10:11 ET | [S-1/A](/filings/0001193125-24-239994.md) | Registration statement, amended | 0001193125-24-239994 |
| 2024-10-02 | 20:22 ET | [S-1](/filings/0001193125-24-231178.md) | Registration statement | 0001193125-24-231178 |

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:16 ET. No prices; not investment advice.