Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
ADAMS STREET PARTNERS LLC
  2. Issuer Name and Ticker or Trading Symbol
Corvus Pharmaceuticals, Inc. [CRVS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
ONE NORTH WACKER DRIVE, SUITE 2200
3. Date of Earliest Transaction (Month/Day/Year)
06/21/2018
(Street)

CHICAGO, IL 60606
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, $0.0001 par value               3,275,616 I By Funds (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Option (Right to Buy) $ 12.5 06/21/2018   A   15,000     (3) 06/21/2028 Common Stock 15,000 $ 0 15,000 I See Footnote (4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ADAMS STREET PARTNERS LLC
ONE NORTH WACKER DRIVE
SUITE 2200
CHICAGO, IL 60606
    X    

Signatures

 /s/ Sara Robinson Dasse   06/25/2018
**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) Represents 694,854 shares held by Adams Street 2011 Direct Fund LP ("AS 2011"), 715,361 shares held by Adams Street 2012 Direct Fund LP ("AS 2012"), 541,133 shares held by Adams Street 2013 Direct Fund LP ("AS 2013"), 736,033 shares held by Adams Street 2014 Direct Fund LP ("AS 2014"), 69,864 shares held by Adams Street 2015 Direct Venture/Growth Fund LP ("AS 2015"), 67,769 shares held by Adams Street 2016 Direct Venture/Growth Fund LP ("AS 2016"), 87,668 shares held by Adams Street 2017 Direct Venture/Growth Fund LP ("AS 2017"), 126,806 shares held by Adams Street 2018 Direct Venture/Growth Fund LP ("AS 2018") and 236,128 shares held by Adams Street Venture/Growth VI LP ("ASVG VI").
(2) Adams Street Partners, LLC, as the managing member of the general partner of the general partner of each of AS 2011, AS 2012, AS 2013, AS 2014, AS 2015, AS 2016, AS 2017, AS 2018 and ASVG VI (collectively the "Funds"), may be deemed to beneficially own the shares held by the Funds. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by the Funds. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by the Funds except to the extent of their pecuniary interest therein.
(3) The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the first anniversary of the grant date or (ii) the date of the 2019 Annual Meeting of the Issuer's stockholders, assuming continuous service as a director until such vesting date.
(4) This option was granted to Elisha P. Gould, a director of Corvus Pharmaceuticals, Inc., who is a partner of Adams Street Partners, LLC. Adams Street Partners, LLC is the managing member of the general partner of the general partner of each of AS 2011, AS 2012, AS 2013, AS 2014, AS 2015, AS 2016, AS 2017, AS 2018 and ASVG VI (collectively the "Funds"). By agreement with the Funds, Mr. Gould is deemed to hold the option for the benefit of the Funds. The option may be deemed to be indirectly beneficially owned by Adams Street Partners, LLC. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), disclaim beneficial ownership of the option except to the extent of the pecuniary interest therein.

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