    <SEC-DOCUMENT>0001140361-22-028188-index.html : 20220804
    <SEC-HEADER>0001140361-22-028188.hdr.sgml : 20220804
    <ACCEPTANCE-DATETIME>20220804160133
    ACCESSION NUMBER:		0001140361-22-028188
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220804
    DATE AS OF CHANGE:		20220804

    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:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-51173
    		FILM NUMBER:		221136368

    	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>DEFA14A
    <SEQUENCE>1
    <FILENAME>brhc10040431_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: brhc10040431_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>graphic01.jpg
    <TEXT>
    Document 2 - file: graphic01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>graphic02.jpg
    <TEXT>
    Document 3 - file: graphic02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>