    <SEC-DOCUMENT>0001140361-23-034222-index.html : 20230712
    <SEC-HEADER>0001140361-23-034222.hdr.sgml : 20230712
    <ACCEPTANCE-DATETIME>20230712163035
    ACCESSION NUMBER:		0001140361-23-034222
    CONFORMED SUBMISSION TYPE:	PRER14A
    PUBLIC DOCUMENT COUNT:		17
    FILED AS OF DATE:		20230712
    DATE AS OF CHANGE:		20230712

    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:		PRER14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-51173
    		FILM NUMBER:		231084543

    	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>PRER14A
    <SEQUENCE>1
    <FILENAME>ny20006478x8_prer14a.htm
    <DESCRIPTION>PRER14A
    <TEXT>
    Document 1 - file: ny20006478x8_prer14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>ny20006478x8_bargraph01.jpg
    <TEXT>
    Document 2 - file: ny20006478x8_bargraph01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>ny20006478x8_bargraph02.jpg
    <TEXT>
    Document 3 - file: ny20006478x8_bargraph02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>ny20006478x8_graphic01.jpg
    <TEXT>
    Document 4 - file: ny20006478x8_graphic01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>ny20006478x8_graphic01x1.jpg
    <TEXT>
    Document 5 - file: ny20006478x8_graphic01x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>ny20006478x8_graphic02.jpg
    <TEXT>
    Document 6 - file: ny20006478x8_graphic02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>ny20006478x8_graphic03.jpg
    <TEXT>
    Document 7 - file: ny20006478x8_graphic03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ny20006478x8_graphic04.jpg
    <TEXT>
    Document 8 - file: ny20006478x8_graphic04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>ny20006478x8_graphic05.jpg
    <TEXT>
    Document 9 - file: ny20006478x8_graphic05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>ny20006478x8_graphic06.jpg
    <TEXT>
    Document 10 - file: ny20006478x8_graphic06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ny20006478x8_graphic07.jpg
    <TEXT>
    Document 11 - file: ny20006478x8_graphic07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>ny20006478x8_graphic08a.jpg
    <TEXT>
    Document 12 - file: ny20006478x8_graphic08a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>ny20006478x8_graphic08b.jpg
    <TEXT>
    Document 13 - file: ny20006478x8_graphic08b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>ny20006478x8_graphic08c.jpg
    <TEXT>
    Document 14 - file: ny20006478x8_graphic08c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>ny20006478x8_graphic09.jpg
    <TEXT>
    Document 15 - file: ny20006478x8_graphic09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>ny20006478x8_pc01.jpg
    <TEXT>
    Document 16 - file: ny20006478x8_pc01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>ny20006478x8_pc02.jpg
    <TEXT>
    Document 17 - file: ny20006478x8_pc02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>