<SEC-DOCUMENT>0001104659-18-004732-index.html : 20180129
<SEC-HEADER>0001104659-18-004732.hdr.sgml : 20180129
<ACCEPTANCE-DATETIME>20180129163057
ACCESSION NUMBER:		0001104659-18-004732
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180129
DATE AS OF CHANGE:		20180129
GROUP MEMBERS:		KOH, BONG
GROUP MEMBERS:		SHAH, NIMISH
GROUP MEMBERS:		VHCP CO-INVESTMENT HOLDINGS II, LLC
GROUP MEMBERS:		VHCP MANAGEMENT II, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CATALYST BIOSCIENCES, INC.
		CENTRAL INDEX KEY:			0001124105
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				562020050
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82442
		FILM NUMBER:		18555885

	BUSINESS ADDRESS:	
		STREET 1:		260 LITTLEFIELD AVENUE
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		6507450655

	MAIL ADDRESS:	
		STREET 1:		260 LITTLEFIELD AVENUE
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TARGACEPT INC
		DATE OF NAME CHANGE:	20000919

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Venrock Healthcare Capital Partners II, L.P.
		CENTRAL INDEX KEY:			0001602264
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		530 FIFTH AVENUE
		STREET 2:		22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		650 475 3734

	MAIL ADDRESS:	
		STREET 1:		530 FIFTH AVENUE
		STREET 2:		22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a18-3834_1sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: a18-3834_1sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>