<SEC-DOCUMENT>0001193125-23-050860-index.html : 20230227
<SEC-HEADER>0001193125-23-050860.hdr.sgml : 20230227
<ACCEPTANCE-DATETIME>20230227164051
ACCESSION NUMBER:		0001193125-23-050860
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230227
DATE AS OF CHANGE:		20230227

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIBROGEN INC
		CENTRAL INDEX KEY:			0000921299
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-266663
		FILM NUMBER:		23675739

	BUSINESS ADDRESS:	
		STREET 1:		409 ILLINOIS STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94158
		BUSINESS PHONE:		415-978-1200

	MAIL ADDRESS:	
		STREET 1:		409 ILLINOIS STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94158
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d443875d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d443875d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g443875g23v03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g443875g23v03.jpg

</DOCUMENT>
</SEC-DOCUMENT>