# EDGAR Filing Document

**Accession Number:** 0001984086
**File Stem:** 0001193125-26-197525
**Filing Date:** 2026-4
**Character Count:** 1157
**Document Hash:** e9d809b30f9dc446588c43a8e999aad1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-197525.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001193125-26-197525

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260430

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Septerna, Inc.
- **CENTRAL INDEX KEY:** 0001984086
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 843891440
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42382
- **FILM NUMBER:** 26926230

**BUSINESS ADDRESS:**
- **STREET 1:** 250 EAST GRAND AVENUE, SUITE 65
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
- **BUSINESS PHONE:** 650-338-3533

**MAIL ADDRESS:**
- **STREET 1:** 250 EAST GRAND AVENUE, SUITE 65
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080

### Attached PDF Documents

**Attachment 1:** `d17403dars.pdf`

_No text found in this document._