<SEC-DOCUMENT>0001140361-23-049323-index.html : 20231128
<SEC-HEADER>0001140361-23-049323.hdr.sgml : 20231128
<ACCEPTANCE-DATETIME>20231024160907
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001140361-23-049323
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20231024

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:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		12770 HIGH BLUFF DRIVE, SUITE 150
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		(619) 949-3681

	MAIL ADDRESS:	
		STREET 1:		12770 HIGH BLUFF DRIVE, SUITE 150
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CATALYST BIOSCIENCES, INC.
		DATE OF NAME CHANGE:	20150820

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TARGACEPT INC
		DATE OF NAME CHANGE:	20000919
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>ny20009756x5_header.jpg
<TEXT>
Document 2 - file: ny20009756x5_header.jpg

</DOCUMENT>
</SEC-DOCUMENT>