<SEC-DOCUMENT>0001209191-19-050930-index.html : 20190927
<SEC-HEADER>0001209191-19-050930.hdr.sgml : 20190927
<ACCEPTANCE-DATETIME>20190927104633
ACCESSION NUMBER:		0001209191-19-050930
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190927
FILED AS OF DATE:		20190927
DATE AS OF CHANGE:		20190927

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Christian Waage
		CENTRAL INDEX KEY:			0001553179

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		191120238

	MAIL ADDRESS:	
		STREET 1:		RECEPTOS, INC.
		STREET 2:		10835 ROAD TO THE CURE, SUITE 205
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>