<SEC-DOCUMENT>0001140361-18-009848-index.html : 20180223
<SEC-HEADER>0001140361-18-009848.hdr.sgml : 20180223
<ACCEPTANCE-DATETIME>20180223161823
ACCESSION NUMBER:		0001140361-18-009848
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180223
DATE AS OF CHANGE:		20180223
GROUP MEMBERS:		BIOGROWTH PARTNERS, L.P.
GROUP MEMBERS:		THOMAS B. NEFF FAMILY PARTNERSHIP

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88653
		FILM NUMBER:		18636756

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Neff Thomas B
		CENTRAL INDEX KEY:			0001623238

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	MAIL ADDRESS:	
		STREET 1:		C/O FIBROGEN, INC.
		STREET 2:		409 ILLINOIS ST.
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94158
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>formsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: formsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>