<SEC-DOCUMENT>0001567619-20-004805-index.html : 20200225
<SEC-HEADER>0001567619-20-004805.hdr.sgml : 20200225
<ACCEPTANCE-DATETIME>20200225160410
ACCESSION NUMBER:		0001567619-20-004805
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200221
FILED AS OF DATE:		20200225
DATE AS OF CHANGE:		20200225

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hata Yujiro S
		CENTRAL INDEX KEY:			0001649119

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38915
		FILM NUMBER:		20650579

	MAIL ADDRESS:	
		STREET 1:		C/O XENCOR, INC.
		STREET 2:		111 WEST LEMON AVENUE
		CITY:			MONROVIA
		STATE:			CA
		ZIP:			91016

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: doc1.html

Document 1 - RAW XML: doc1.xml

</DOCUMENT>
</SEC-DOCUMENT>