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* Versant Venture Capital VII, L.P. (Last) (First) (Middle) ONE SANSOME STREET, SUITE 3630 (Street) SAN FRANCISCO CA 94104 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 10/05/2020	3. Issuer Name and Ticker or Trading Symbol ADURO BIOTECH, INC. [ KDNY ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	4,733,023(1)	I	See footnote(2)
Common Stock	722,247(1)	I	See footnote(3)
Common Stock	2,433,099(1)	I	See footnote(4)

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Versant Venture Capital VII, L.P. (Last) (First) (Middle) ONE SANSOME STREET, SUITE 3630 (Street) SAN FRANCISCO CA 94104 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Versant Voyageurs I Parallel, L.P. (Last) (First) (Middle) ONE SANSOME STREET, SUITE 3630 (Street) SAN FRANCISCO CA 94104 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Versant Voyageurs I, L.P. (Last) (First) (Middle) ONE SANSOME STREET, SUITE 3630 (Street) SAN FRANCISCO CA 94104 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The shares reported represent the number of shares of Issuer common stock received by the Reporting Person on the Effective Date in connection with the merger of Chinook Therapeutics U.S., Inc. ("Private Chinook") into the Issuer.

2. These securities are held of record by Versant Venture Capital VII, L.P. ("Versant VII"). Versant Ventures VII GP, L.P. ("Versant Ventures VII GP") is the general partner of Versant VII, and Versant Ventures VII GP-GP, LLC ("Versant Ventures VII GP-GP") is the general partner of Versant Ventures VII GP. Jerel Davis is a managing director of Versant Ventures VII GP-GP and may be deemed to share voting and dispositive power over the shares held by Versant VII; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein. Jerel Davis is a director of the Issuer and, accordingly, files separate Section 16 reports.

3. These securities are held of record by Versant Voyageurs I Parallel L.P. ("Versant I Parallel"). Versant Voyageurs I GP, L.P. ("Versant Voyageurs I GP") is the general partner of Versant I Parallel. Versant Ventures VI GP, L.P. ("Versant Ventures VI GP") is the general partner of Versant Voyageurs I GP. Versant Ventures VI GP-GP, LLC ("Versant Ventures VI GP-GP") is the general partner of Versant Ventures VI GP. Jerel Davis is a managing director of Versant Ventures VI GP-GP and may be deemed to share voting and dispositive power over the shares held by Versant I Parallel; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein. Jerel Davis is a director of the Issuer and, accordingly, files separate Section 16 reports.

4. These securities are held of record by Versant Voyageurs I, L.P. ("Versant Voyageurs I"). Versant Voyageurs I GP Company is the general partner of Versant Voyageurs I. Jerel Davis is a director of Versant Voyageurs I GP Company and may be deemed to share voting and dispositive power over the shares held by Versant Voyageurs I; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interests therein. Jerel Davis is a director of the Issuer and, accordingly, files separate Section 16 reports.

Remarks:

	/s/ Versant Venture Capital VII, L.P.; Versant Voyageurs I, L.P., Versant Voyageurs I Parallel, L.P., By: Robin L. Praeger, President or Managing Director	10/07/2020
	** Signature of Reporting Person	Date
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