<SEC-DOCUMENT>0001193125-21-069269-index.html : 20210304
<SEC-HEADER>0001193125-21-069269.hdr.sgml : 20210304
<ACCEPTANCE-DATETIME>20210304142535
ACCESSION NUMBER:		0001193125-21-069269
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20210304
DATE AS OF CHANGE:		20210304

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253874
		FILM NUMBER:		21713660

	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>S-3
<SEQUENCE>1
<FILENAME>d125275ds3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: d125275ds3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>2
<FILENAME>d125275dex45.htm
<DESCRIPTION>EX-4.5
<TEXT>
Document 2 - file: d125275dex45.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>d125275dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: d125275dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>d125275dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 4 - file: d125275dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g125275g0303111129181.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g125275g0303111129181.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g125275g15c22.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g125275g15c22.jpg

</DOCUMENT>
</SEC-DOCUMENT>