<SEC-DOCUMENT>0001728117-23-000124-index.html : 20230828
<SEC-HEADER>0001728117-23-000124.hdr.sgml : 20230828
<ACCEPTANCE-DATETIME>20230828162918
ACCESSION NUMBER:		0001728117-23-000124
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230828
DATE AS OF CHANGE:		20230828

FILER:

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

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-274056
		FILM NUMBER:		231216146

	BUSINESS ADDRESS:	
		STREET 1:		3013 SCIENCE PARK
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		(858) 922-0718

	MAIL ADDRESS:	
		STREET 1:		3013 SCIENCE PARK
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>a20230828-424b3xprospectus.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: a20230828-424b3xprospectus.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>gosslogoa.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: gosslogoa.jpg

</DOCUMENT>
</SEC-DOCUMENT>