<SEC-DOCUMENT>0001728117-22-000086-index.html : 20220809
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<ACCEPTANCE-DATETIME>20220809161410
ACCESSION NUMBER:		0001728117-22-000086
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20220809
DATE AS OF CHANGE:		20220809
EFFECTIVENESS DATE:		20220809

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-266701
		FILM NUMBER:		221148474

	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>S-3ASR
<SEQUENCE>1
<FILENAME>a20220809-gossxsx3.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: a20220809-gossxsx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>2
<FILENAME>a20220809-gossxsx3xexx107.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 2 - file: a20220809-gossxsx3xexx107.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>a20220809-gossxsx3xexx51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: a20220809-gossxsx3xexx51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>a20220809-gossxsx3xexx231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: a20220809-gossxsx3xexx231.htm

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image_0a.jpg
<TEXT>
Document 6 - file: image_0a.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>image_1a.jpg
<TEXT>
Document 7 - file: image_1a.jpg

</DOCUMENT>
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