<SEC-DOCUMENT>0001564590-20-026204-index.html : 20200519
<SEC-HEADER>0001564590-20-026204.hdr.sgml : 20200519
<ACCEPTANCE-DATETIME>20200519170836
ACCESSION NUMBER:		0001564590-20-026204
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20200519
DATE AS OF CHANGE:		20200519

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-237639
		FILM NUMBER:		20894615

	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>424B5
<SEQUENCE>1
<FILENAME>goss-424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: goss-424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g0izdiwh2d1t000003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g0izdiwh2d1t000003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g0izdiwh2d1t000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g0izdiwh2d1t000001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g0izdiwh2d1t000002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g0izdiwh2d1t000002.jpg

</DOCUMENT>
</SEC-DOCUMENT>