<SEC-DOCUMENT>0001564590-19-015682-index.html : 20190503
<SEC-HEADER>0001564590-19-015682.hdr.sgml : 20190503
<ACCEPTANCE-DATETIME>20190503160019
ACCESSION NUMBER:		0001564590-19-015682
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20190502
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190503
DATE AS OF CHANGE:		20190503

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		19796012

	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>8-K
<SEQUENCE>1
<FILENAME>goss-8k_20190502.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: goss-8k_20190502.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>goss-ex101_7.htm
<DESCRIPTION>EX-10.1
<TEXT>
Document 2 - file: goss-ex101_7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>goss-ex991_6.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: goss-ex991_6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ggknputewfcx000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ggknputewfcx000001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>gz3xtrrevv0x000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: gz3xtrrevv0x000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>