<SEC-DOCUMENT>0001193125-18-070559-index.html : 20180305
<SEC-HEADER>0001193125-18-070559.hdr.sgml : 20180305
<ACCEPTANCE-DATETIME>20180305163106
ACCESSION NUMBER:		0001193125-18-070559
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180302
ITEM INFORMATION:		Material Modifications to Rights of Security Holders
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180305
DATE AS OF CHANGE:		20180305

FILER:

	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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51173
		FILM NUMBER:		18666475

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d506560d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d506560d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d506560dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d506560dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g506560g0304124946632.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g506560g0304124946632.jpg

</DOCUMENT>
</SEC-DOCUMENT>