<SEC-DOCUMENT>0001104659-20-019178-index.html : 20200212
<SEC-HEADER>0001104659-20-019178.hdr.sgml : 20200212
<ACCEPTANCE-DATETIME>20200212155318
ACCESSION NUMBER:		0001104659-20-019178
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200212
DATE AS OF CHANGE:		20200212
GROUP MEMBERS:		DANIEL MACK
GROUP MEMBERS:		WILMOT B. HARKEY

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82442
		FILM NUMBER:		20603897

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nantahala Capital Management, LLC
		CENTRAL INDEX KEY:			0001472322
		IRS NUMBER:				201151760
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		130 MAIN ST.
		STREET 2:		2ND FLOOR
		CITY:			NEW CANAAN
		STATE:			CT
		ZIP:			06840
		BUSINESS PHONE:		203-404-1172

	MAIL ADDRESS:	
		STREET 1:		130 MAIN ST.
		STREET 2:		2ND FLOOR
		CITY:			NEW CANAAN
		STATE:			CT
		ZIP:			06840
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm207751-5_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm207751-5_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>