SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Cassidy Sean A (Last) (First) (Middle) C/O ARVINAS, INC. 5 SCIENCE PARK, 395 WINCHESTER AVE. (Street) NEW HAVEN CT 06511 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ARVINAS HOLDING COMPANY, LLC [ ARVN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Financial Officer
	3. Date of Earliest Transaction (Month/Day/Year) 09/26/2018
	4. 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 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

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 Securities Underlying Derivative Security (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: 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)	$16	09/26/2018		A		1,980		(1)	09/25/2028	Common Stock	1,980	$0.00	1,980	D
Stock Option (right to buy)	$16	09/26/2018		A		31,710		(2)	09/25/2028	Common Stock	31,710	$0.00	31,710	D
Stock Option (right to buy)	$16	09/26/2018		A		15,160		(3)	09/25/2028	Common Stock	15,160	$0.00	15,160	D
Stock Option (right to buy)	$16	09/26/2018		A		5,200		(4)	09/25/2028	Common Stock	5,200	$0.00	5,200	D
Stock Option (right to buy)	$16	09/26/2018		A		81,770		(5)	09/25/2028	Common Stock	81,770	$0.00	81,770	D
Stock Option (right to buy)	$16	09/26/2018		A		27,330		(6)	09/25/2028	Common Stock	27,330	$0.00	27,330	D

Explanation of Responses:

1. This option award was granted on September 26, 2018, and the shares underlying the award were fully vested upon grant.

2. This option award was granted on September 26, 2018, and the shares underlying the award were fully vested upon grant.

3. This option award was granted on September 26, 2018. 1/4 of the shares underlying the award vested as of January 1, 2017, with the remainder of the shares vesting in equal monthly installments following January 1, 2017 through January 1, 2020.

4. This option award was granted on September 26, 2018. 1/4 of the shares underlying the award shall vest on January 1, 2019, with the remainder of the shares vesting in equal monthly installments following January 1, 2019 through January 1, 2022.

5. This option award was granted on September 26, 2018. 1/4 of the shares underlying the award shall vest on March 31, 2019, with the remainder of the shares vesting in equal monthly installments following March 31, 2019 through March 31, 2022.

6. This option award was granted on September 26, 2018. 1/4 of the shares underlying the award shall vest on June 28, 2019, with the remainder of the shares vesting in equal monthly installments following June 28, 2019 through June 28, 2022.

Remarks:

	/s/ Matthew Batters, as attorney-in-fact for Sean A Cassidy	09/28/2018
	** 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 4 (b)(v).
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