<SEC-DOCUMENT>0001193125-20-217662-index.html : 20200812
<SEC-HEADER>0001193125-20-217662.hdr.sgml : 20200812
<ACCEPTANCE-DATETIME>20200812161354
ACCESSION NUMBER:		0001193125-20-217662
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20200812
DATE AS OF CHANGE:		20200812

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IDEAYA Biosciences, Inc.
		CENTRAL INDEX KEY:			0001676725
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				474268251
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-238849
		FILM NUMBER:		201095611

	BUSINESS ADDRESS:	
		STREET 1:		7000 SHORELINE COURT, SUITE 350
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		650-443-6209

	MAIL ADDRESS:	
		STREET 1:		7000 SHORELINE COURT, SUITE 350
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Ideaya Biosciences, Inc.
		DATE OF NAME CHANGE:	20160609
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d27284d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d27284d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g27284g44a36.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g27284g44a36.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g27284g44p21.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g27284g44p21.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g27284g52d93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g27284g52d93.jpg

</DOCUMENT>
</SEC-DOCUMENT>