<SEC-DOCUMENT>0000000000-20-003682-index.html : 20200728
<SEC-HEADER>0000000000-20-003682.hdr.sgml : 20200728
<ACCEPTANCE-DATETIME>20200429152852
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000000000-20-003682
CONFORMED SUBMISSION TYPE:	UPLOAD
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200429

FILED FOR:		

	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

	FILING VALUES:
		FORM TYPE:		UPLOAD

	BUSINESS ADDRESS:	
		STREET 1:		7575 GATEWAY BOULEVARD
		STREET 2:		SUITE 110
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560
		BUSINESS PHONE:		510-293-8800

	MAIL ADDRESS:	
		STREET 1:		7575 GATEWAY BOULEVARD
		STREET 2:		SUITE 110
		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
PUBLIC REFERENCE ACCESSION NUMBER:		0000921895-20-001187 [HTML]
</SEC-HEADER>
<DOCUMENT>
<TYPE>LETTER
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>TEXT-EXTRACT
<SEQUENCE>2
<FILENAME>filename2.txt
<TEXT>
Document 2 - file: filename2.txt

</DOCUMENT>
</SEC-DOCUMENT>