    <SEC-DOCUMENT>0001564590-21-019634-index.html : 20210420
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    <ACCEPTANCE-DATETIME>20210420161413
    ACCESSION NUMBER:		0001564590-21-019634
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20210420
    DATE AS OF CHANGE:		20210420

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Arcus Biosciences, Inc.
    		CENTRAL INDEX KEY:			0001724521
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				473898435
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38419
    		FILM NUMBER:		21837987

    	BUSINESS ADDRESS:
    		STREET 1:		3928 POINT EDEN WAY
    		CITY:			HAYWARD
    		STATE:			CA
    		ZIP:			94545
    		BUSINESS PHONE:		(510) 694-6200

    	MAIL ADDRESS:
    		STREET 1:		3928 POINT EDEN WAY
    		CITY:			HAYWARD
    		STATE:			CA
    		ZIP:			94545
    </SEC-HEADER>
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    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>rcus-defa14a_20210603.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: rcus-defa14a_20210603.htm

    </DOCUMENT>
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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g1michufdpy5000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g1michufdpy5000001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g1michufdpy5000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g1michufdpy5000002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>