<SEC-DOCUMENT>0000899243-19-023148-index.html : 20190909
<SEC-HEADER>0000899243-19-023148.hdr.sgml : 20190909
<ACCEPTANCE-DATETIME>20190909173745
ACCESSION NUMBER:		0000899243-19-023148
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190905
FILED AS OF DATE:		20190909
DATE AS OF CHANGE:		20190909

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Omega Fund V, L.P.
		CENTRAL INDEX KEY:			0001641354
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		191083879

	BUSINESS ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-502-6538

	MAIL ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Omega Fund V GP, L.P.
		CENTRAL INDEX KEY:			0001641355
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		191083880

	BUSINESS ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-502-6538

	MAIL ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Omega Fund V GP Manager, Ltd.
		CENTRAL INDEX KEY:			0001641348
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		191083881

	BUSINESS ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-502-6538

	MAIL ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Stampacchia Otello
		CENTRAL INDEX KEY:			0001361712

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38796
		FILM NUMBER:		191083882

	MAIL ADDRESS:	
		STREET 1:		888 BOYLSTON ST., SUITE 1111
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

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>