<SEC-DOCUMENT>0001209191-17-030211-index.html : 20170505
<SEC-HEADER>0001209191-17-030211.hdr.sgml : 20170505
<ACCEPTANCE-DATETIME>20170505122508
ACCESSION NUMBER:		0001209191-17-030211
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170427
FILED AS OF DATE:		20170505
DATE AS OF CHANGE:		20170505

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CymaBay Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001042074
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				943103561
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		7999 GATEWAY BLVD
		STREET 2:		SUITE 130
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560
		BUSINESS PHONE:		510-293-8800

	MAIL ADDRESS:	
		STREET 1:		7999 GATEWAY BLVD
		STREET 2:		SUITE 130
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	METABOLEX, INC.
		DATE OF NAME CHANGE:	20090721

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	METABOLEX INC
		DATE OF NAME CHANGE:	19970710

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Menold Daniel
		CENTRAL INDEX KEY:			0001705745

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36500
		FILM NUMBER:		17817163

	MAIL ADDRESS:	
		STREET 1:		C/O CYMABAY THERAPEUTICS, INC.
		STREET 2:		7999 GATEWAY BLVD., SUITE 130
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.3_721549
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
Document 2 - file: poa.txt

</DOCUMENT>
</SEC-DOCUMENT>