Company Analysis

Septerna, Inc. (SEPN)

Nasdaq: SEPN · Pharmaceutical Preparations · South San Francisco, CA · filing with the SEC since 2023
Grade6.6
◀ Past 7.1● Present 6.3▶ Future 6.4
2 est.

Filings

77 filings since 2017 beside 98 insider forms · Non-accelerated filer and smaller reporting company and emerging growth company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company and emerging growth company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 40 days after the quarter ended. The proxy statement was last filed Apr 30, 2026.

Filings a yearinsider forms included
1415875
2023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Sep 29, 2025.SEC letters: 6 in the last 36 months, the newest Oct 22, 2024.
Insider forms 98

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 9, 2026 10-Q Quarterly report Sep 30, 2026
Nov 9, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 4, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Aug 25, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report Aug 22, 2026
Aug 14, 2026 SCHEDULE 13D/A Activist holder update, amended
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 10, 2026 10-Q Quarterly report Jun 30, 2026
Aug 10, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 30, 2026 8-K item 5.07 Shareholder vote · Current report Jun 26, 2026
May 11, 2026 10-Q Quarterly report Mar 31, 2026
May 11, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 30, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 30, 2026 DEFA14A Extra proxy material
Apr 30, 2026 DEF 14A Proxy statement
Apr 13, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Mar 10, 2026 S-3ASR Shelf registration
Mar 9, 2026 S-8 Employee stock plan registration
Mar 9, 2026 10-K Annual report Dec 31, 2025
Mar 9, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 2, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report Mar 1, 2026
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 12, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jan 8, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Nov 10, 2025 10-Q Quarterly report Sep 30, 2025
Nov 10, 2025 8-K items 2.02, 9.01 Results released · Current report
Sep 29, 2025 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Sep 25, 2025
Sep 3, 2025 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Aug 21, 2025 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Aug 11, 2025 10-Q Quarterly report Jun 30, 2025
Aug 11, 2025 8-K items 2.02, 9.01 Results released · Current report
Aug 4, 2025 8-K item 5.02 Officer or director change · Current report Jul 30, 2025
Jul 2, 2025 8-K item 8.01 Other event · Current report Jul 1, 2025
Jun 18, 2025 8-K item 5.07 Shareholder vote · Current report Jun 17, 2025
Jun 10, 2025 SCHEDULE 13G/A Large holder update, amended
May 15, 2025 10-Q Quarterly report Mar 31, 2025
May 15, 2025 8-K items 2.02, 9.01 Results released · Current report
May 15, 2025 SCHEDULE 13G/A Large holder update, amended
May 15, 2025 SCHEDULE 13G/A Large holder update, amended
May 14, 2025 8-K items 1.01, 7.01, 9.01 Major agreement signed; Investor disclosure (Regulation FD) · Current report May 13, 2025
May 9, 2025 SCHEDULE 13G/A Large holder update, amended
40 of 77 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton SEPN · research, not advice