<SEC-DOCUMENT>0001564590-19-013422-index.html : 20190429
<SEC-HEADER>0001564590-19-013422.hdr.sgml : 20190429
<ACCEPTANCE-DATETIME>20190426183630
ACCESSION NUMBER:		0001564590-19-013422
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190429
DATE AS OF CHANGE:		20190426

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51173
		FILM NUMBER:		19773257

	BUSINESS ADDRESS:	
		STREET 1:		611 GATEWAY BLVD., SUITE 710
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		650-871-0761

	MAIL ADDRESS:	
		STREET 1:		611 GATEWAY BLVD., SUITE 710
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TARGACEPT INC
		DATE OF NAME CHANGE:	20000919
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>cbio-10ka_20181231.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: cbio-10ka_20181231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.16B
<SEQUENCE>2
<FILENAME>cbio-ex1016b_9.htm
<DESCRIPTION>EX-10.16B
<TEXT>
Document 2 - file: cbio-ex1016b_9.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>3
<FILENAME>cbio-ex313_8.htm
<DESCRIPTION>EX-31.3
<TEXT>
Document 3 - file: cbio-ex313_8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>4
<FILENAME>cbio-ex314_6.htm
<DESCRIPTION>EX-31.4
<TEXT>
Document 4 - file: cbio-ex314_6.htm

</DOCUMENT>
</SEC-DOCUMENT>