FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Haghighat Ross   2. Issuer Name and Ticker or Trading Symbol ADURO BIOTECH, INC. [ADRO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ADURO BIOTECH, INC., 626 BANCROFT WAY, 3C 3. Date of Earliest Transaction (Month/Day/Year) 04/20/2015 (Street) BERKELEY, CA 94710 4. If Amendment, Date 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 (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/20/2015   C   206 A (1) 14,762 D   Common Stock 04/20/2015   C   5,562 A (1) 12,162 I By Turnpike Properties, LLC (2) Common Stock 04/20/2015   C   1,908 A (1) 4,172 I By Triton Holdings LLC (3) Common Stock 04/20/2015   C   72,000 A (1) 76,172 I By Triton Holdings LLC (3) Common Stock 04/20/2015   C   202,039 A (1) 278,211 I By Triton Holdings LLC (3) Common Stock 04/20/2015   C   68,559 A (1) 346,770 I By Triton Holdings LLC (3) Common Stock 04/20/2015   C   26,637 A (1) 373,407 I By Triton Holdings LLC (3) Common Stock 04/20/2015   C   8,480 A (1) 18,544 I By Triton Systems, Inc. (4) Common Stock 04/20/2015   C   249,302 A (1) 267,846 I By Triton Systems, Inc. (4) Common Stock 04/20/2015   C   477,617 A (1) 745,463 I By Triton Systems, Inc. (4)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Preferred Stock	(1)	04/20/2015		C			206	(1)	(1)	Common Stock	206 (5)	$ 0	0	D
Series A Preferred Stock	(1)	04/20/2015		C			5,562	(1)	(1)	Common Stock	5,562 (5)	$ 0	0	I	By Turnpike Properties, LLC (2)
Series A Preferred Stock	(1)	04/20/2015		C			8,480	(1)	(1)	Common Stock	8,480 (5)	$ 0	0	I	By Triton Systems, Inc. (4)
Series A Preferred Stock	(1)	04/20/2015		C			1,908	(1)	(1)	Common Stock	1,908 (5)	$ 0	0	I	By Triton Holdings LLC (3)
Series A-1 Preferred Stock	(1)	04/20/2015		C			249,302	(1)	(1)	Common Stock	249,302 (5)	$ 0	0	I	By Triton Systems, Inc. (4)
Series A-1 Preferred Stock	(1)	04/20/2015		C			72,000	(1)	(1)	Common Stock	72,000 (5)	$ 0	0	I	By Triton Holdings LLC (3)
Series B Preferred Stock	(1)	04/20/2015		C			477,617	(1)	(1)	Common Stock	477,617	$ 0	0	I	By Triton Systems, Inc. (4)
Series B Preferred Stock	(1)	04/20/2015		C			202,039	(1)	(1)	Common Stock	202,039	$ 0	0	I	By Triton Holdings LLC (3)
Series C Preferred Stock	(1)	04/20/2015		C			68,559	(1)	(1)	Common Stock	68,559	$ 0	0	I	By Triton Holdings LLC (3)
Series D Preferred Stock	(1)	04/20/2015		C			26,637	(1)	(1)	Common Stock	26,637	$ 0	0	I	By Triton Holdings LLC (3)
Series B Preferred Stock Warrant (right to buy)	$ 1.1937	04/20/2015		D(6)			3,373	04/15/2011	04/15/2016	Series B Preferred Stock	2,428	$ 0	0	I	By Triton Systems, Inc. (4)
Common Stock Warrant (right to buy)	$ 1.66	04/20/2015		A(6)		2,428		04/15/2011	04/15/2016	Common Stock	2,428	$ 0	2,428	I	By Triton Systems, Inc. (4)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Haghighat Ross C/O ADURO BIOTECH, INC. 626 BANCROFT WAY, 3C BERKELEY, CA 94710	X

Signatures

/s/ Jennifer Lew, Attorney-in-Fact		04/22/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	Each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into 0.72 of a share of common stock immediately prior to the closing of the Issuer's initial public offering, and has no expiration date.
(2)	The shares are held by Turnpike Properties, LLC, over which the Reporting Person exercises voting and dispositive control.
(3)	The shares are held by Triton Holdings LLC, over which the Reporting Person exercises voting and dispositive control.
(4)	The shares are held by Triton Systems, Inc., over which the Reporting Person exercises voting and dispositive control.
(5)	Reflects 0.72-for-1 reverse stock split which became effective on April 1, 2015.
(6)	Pursuant to the terms of the Series B Preferred Stock Warrant (the "Old Warrant"), effective upon conversion of all outstanding shares of Series B Preferred Stock of the Issuer, the Old Warrant converts into a Warrant to purchase shares of Common Stock of the Issuer (the "New Warrant"). The two transactions reported in Table II above show the cancellation of the Old Warrant and acquisition of the New Warrant in connection with the automatic conversion of the Series B Preferred Stock into 0.72 of a share of common stock immediately prior to the closing of the Issuer's initial public offering.

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