<SEC-DOCUMENT>0001740847-26-000004-index.html : 20260320
<SEC-HEADER>0001740847-26-000004.hdr.sgml : 20260320
<ACCEPTANCE-DATETIME>20260320161653
ACCESSION NUMBER:		0001740847-26-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260319
FILED AS OF DATE:		20260320
DATE AS OF CHANGE:		20260320

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Giraudo Bryan
		CENTRAL INDEX KEY:			0001740847
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		26778443

	MAIL ADDRESS:	
		STREET 1:		7707 GATEWAY BOULEVARD, SUITE 140
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Gossamer Bio, Inc.
		CENTRAL INDEX KEY:			0001728117
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				475461709
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3115 MERRYFIELD ROW
		STREET 2:		SUITE 120
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		(858) 684-1300

	MAIL ADDRESS:	
		STREET 1:		3115 MERRYFIELD ROW
		STREET 2:		SUITE 120
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1774037809.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1774037809.html
Document 1 - RAW XML: wk-form4_1774037809.xml
</DOCUMENT> </SEC-DOCUMENT>