<SEC-DOCUMENT>0001193125-25-103795-index.html : 20250429
<SEC-HEADER>0001193125-25-103795.hdr.sgml : 20250429
<ACCEPTANCE-DATETIME>20250429161157
ACCESSION NUMBER:		0001193125-25-103795
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241231
FILED AS OF DATE:		20250429
DATE AS OF CHANGE:		20250429
EFFECTIVENESS DATE:		20250429

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:		25887697

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>ARS
<SEQUENCE>1
<FILENAME>d625771dars.pdf
<DESCRIPTION>ARS
<TEXT>
Document 1 - file: d625771dars.pdf

</DOCUMENT>
</SEC-DOCUMENT>