<SEC-DOCUMENT>0001610717-24-000273-index.html : 20240531
<SEC-HEADER>0001610717-24-000273.hdr.sgml : 20240531
<ACCEPTANCE-DATETIME>20240531163021
ACCESSION NUMBER:		0001610717-24-000273
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240531
FILED AS OF DATE:		20240531
DATE AS OF CHANGE:		20240531

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MACKEY CATHERINE J
		CENTRAL INDEX KEY:			0001645330
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38915
		FILM NUMBER:		241010236

	MAIL ADDRESS:	
		STREET 1:		3595 JOHN HOPKINS COURT
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IDEAYA Biosciences, Inc.
		CENTRAL INDEX KEY:			0001676725
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		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>form4.xml
<TEXT>
Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>poa.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 2 - file: poa.htm

</DOCUMENT>
</SEC-DOCUMENT>