<SEC-DOCUMENT>0001193125-26-295106.txt : 20260702
<SEC-HEADER>0001193125-26-295106.hdr.sgml : 20260702
<ACCEPTANCE-DATETIME>20260702190004
ACCESSION NUMBER:		0001193125-26-295106
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260701
FILED AS OF DATE:		20260702
DATE AS OF CHANGE:		20260702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Long Daniel D.
		CENTRAL INDEX KEY:			0002040349
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42382
		FILM NUMBER:		261153639

	MAIL ADDRESS:	
		STREET 1:		C/O SEPTERNA, INC.
		STREET 2:		250 EAST GRAND AVENUE
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
</DOCUMENT>
</SUBMISSION>