<SEC-DOCUMENT>0001193125-21-300031-index.html : 20211015
<SEC-HEADER>0001193125-21-300031.hdr.sgml : 20211015
<ACCEPTANCE-DATETIME>20211015161328
ACCESSION NUMBER:		0001193125-21-300031
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20211015
DATE AS OF CHANGE:		20211015

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253874
		FILM NUMBER:		211326191

	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>424B5
<SEQUENCE>1
<FILENAME>d208122d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d208122d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g208122g01a02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g208122g01a02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g208122g01a35.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g208122g01a35.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g208122g15c22.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g208122g15c22.jpg

</DOCUMENT>
</SEC-DOCUMENT>