<SEC-DOCUMENT>0001193125-21-020775-index.html : 20210128
<SEC-HEADER>0001193125-21-020775.hdr.sgml : 20210128
<ACCEPTANCE-DATETIME>20210128161131
ACCESSION NUMBER:		0001193125-21-020775
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20210128
DATE AS OF CHANGE:		20210128

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:	333-228970
		FILM NUMBER:		21565074

	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>
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<DESCRIPTION>424B5
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Document 1 - file: d260304d424b5.htm

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Document 2 - file: g260304g00a00.jpg

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Document 3 - file: g260304g10g27.jpg

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<SEQUENCE>4
<FILENAME>g260304g29d49.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g260304g29d49.jpg

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<SEQUENCE>5
<FILENAME>g260304g47o32.jpg
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Document 5 - file: g260304g47o32.jpg

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<SEQUENCE>6
<FILENAME>g260304g96y01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g260304g96y01.jpg

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<DOCUMENT>
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<SEQUENCE>7
<FILENAME>g260304g99a99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g260304g99a99.jpg

</DOCUMENT>
</SEC-DOCUMENT>