Sec Form 4 Filing - ELM STREET VENTURES L P @ ARVINAS INC. - 2018-10-01

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 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 ELM STREET VENTURES L P 2. Issuer Name and Ticker or Trading Symbol ARVINAS INC. [ AVRN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) Former 10% owner (Last) (First) (Middle) 33 WHITNEY AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 10/01/2018 (Street) NEW HAVEN, CT06510 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 10/01/2018 C 767,623 A 767,623 D ( 2 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ELM STREET VENTURES L P 33 WHITNEY AVENUE NEW HAVEN, CT06510 Former 10% owner ELM STREET VENTURE ASSOCIATES, LLC 33 WHITNEY AVENUE NEW HAVEN, CT06510 Former 10% owner BETTIGOLE ROBERT A. 33 WHITNEY AVENUE NEW HAVEN, CT06510 Former 10% owner Signatures /S/Robert A. Bettigole, Managing Member of Elm Street Venture Associates, LLC, the GP of Elm Street Ventures, LP 10/09/2018 Signature of Reporting Person Date /S/Robert A. Bettigole, Managing Member of Elm Street Venture Associates, LLC 10/09/2018 Signature of Reporting Person Date /S/Robert A. Bettigole 10/09/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On October 1, 2018, the Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock converted into Common Stock on a 3.25-for-one basis, upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date. ( 2 )Elm Street Ventures, LP is the direct beneficial owner of the Common Stock. Elm Street Venture Associates, LLC is the general partner of Elm Street Ventures, LP. Robert A. Bettigole is the managing member of Elm Street Venture Associates, LLC. Elm Street Venture Associates, LLC and Robert A. Bettigole are indirect beneficial owners of the Common Stock.

Remarks: This Form 4 is being filed by Elm Street Ventures, LP, a Delaware limited partnership ("Elm Street"), Elm Street Venture Associates, LLC, a Delaware limited liability company ("GP"), and Robert A. Bettigole (together with Elm Street and GP, the "Reporting Persons").

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 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).

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