<SEC-DOCUMENT>0001105806-17-000012-index.html : 20170501
<SEC-HEADER>0001105806-17-000012.hdr.sgml : 20170501
<ACCEPTANCE-DATETIME>20170501161138
ACCESSION NUMBER:		0001105806-17-000012
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170501
DATE AS OF CHANGE:		20170501

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/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82442
		FILM NUMBER:		17800834

	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:			LYTTON LAURENCE W
		CENTRAL INDEX KEY:			0001105806

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	MAIL ADDRESS:	
		STREET 1:		467 CPW
		CITY:			NY
		STATE:			NY
		ZIP:			10025
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>cbio.txt
<TEXT>
Document 1 - file: cbio.txt

</DOCUMENT>
</SEC-DOCUMENT>