SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Jaen Juan C.

(Last)

(First)

(Middle)

C/O ARCUS BIOSCIENCES, INC.

3928 POINT EDEN WAY

(Street)

HAYWARD

94545

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/14/2018

3. Issuer Name and Ticker or Trading Symbol
Arcus Biosciences, Inc. [ RCUS ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	President

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	189,393	D
Common Stock	494,424	I	By Trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Series A Convertible Preferred Stock	⁽¹⁾	⁽¹⁾	Common Stock	2,020,202	$3.96	I	By Trust
Series B Convertible Preferred Stock	⁽¹⁾	⁽¹⁾	Common Stock	125,012	$7.9992	I	By Trust
Series C Convertible Preferred Stock	⁽¹⁾	⁽¹⁾	Common Stock	29,936	$11.6915	I	By Trust

Explanation of Responses:

1. The reported security is convertible into the Issuer's Common Stock on a 1-for-1 basis at any time at the holder's election and shall automatically convert into Common Stock immediately prior to the closing of the Issuer's initial public offering without payment of further consideration. The shares have no expiration date.

Remarks:

	/s/ Scott S. Paraker, Attorney-in-Fact	03/14/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.