Arvinas director’s tax-withholding stock sale disclosed

Arvinas, Inc. director John G. Houston reported selling a total of 35,297 shares of common stock on February 27, 2026 in three open‑market transactions at prices between $13.14 and $13.24 per share.

Rhea-AI Filing Summary

Arvinas, Inc. director John G. Houston reported selling a total of 35,297 shares of common stock on February 27, 2026 in three open‑market transactions at prices between $13.14 and $13.24 per share.

According to the footnotes, each sale was made automatically by Arvinas to cover tax withholding obligations tied to the vesting and settlement of previously granted restricted stock units, and the sales did not represent discretionary trades. After these transactions, Houston directly owned 1,122,183 shares of Arvinas common stock.

Insider Trade Summary

Net Seller: 35,297 shares

Net Sell 3 txns

Insider Houston John G

Role Director

Sold 35,297 shs ($466K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,688	$13.24	$62K
Sale	Common Stock	18,822	$13.24	$249K
Sale	Common Stock	11,787	$13.14	$155K

Holdings After Transaction: Common Stock — 1,122,183 shares (Direct)

Footnotes (3)

1. F1. This sale was made automatically by the Issuer to cover tax withholding obligations in connection with the vesting and settlement of one-quarter of the reporting person's restricted stock units (RSUs) granted on February 22, 2023 when the reporting person was serving as President and CEO. The sale does not represent a discretionary trade.
2. F2. This sale was made automatically by the Issuer to cover tax withholding obligations in connection with the vesting and settlement of one-half of the reporting person's restricted stock units (RSUs) granted on February 23, 2024 when the reporting person was serving as President and CEO. The sale does not represent a discretionary trade.
3. F3. This sale was made automatically by the Issuer to cover tax withholding obligations in connection with the vesting and settlement of one-quarter of the reporting person's restricted stock units (RSUs) granted on February 13, 2025 when the reporting person was serving as President and CEO. The sale does not represent a discretionary trade.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Arvinas (ARVN) director John G. Houston report?

John G. Houston reported selling 35,297 Arvinas common shares on February 27, 2026. The shares were sold in three open‑market transactions at prices between $13.14 and $13.24 per share, as disclosed in the Form 4 filing.

Why did John G. Houston’s Arvinas (ARVN) shares get sold in this Form 4?

The shares were sold automatically by Arvinas to cover tax withholding obligations from vesting restricted stock units. Footnotes state these transactions related to RSU grants from 2023, 2024, and 2025 and did not represent discretionary trades by Houston.

How many Arvinas (ARVN) shares does John G. Houston hold after this Form 4?

After the reported sales, John G. Houston directly holds 1,122,183 Arvinas common shares. This figure reflects his ownership following the automatic tax‑withholding transactions disclosed for February 27, 2026 in the Form 4.

At what prices were John G. Houston’s Arvinas (ARVN) shares sold?

The reported Arvinas shares were sold at prices of $13.24 and $13.14 per share. Two transactions occurred at $13.24 and one at $13.14, all on February 27, 2026 as part of automatic tax‑withholding sales.

Were John G. Houston’s Arvinas (ARVN) stock sales discretionary?

No, the sales were not discretionary. Footnotes explain the issuer automatically sold shares to satisfy tax withholding obligations linked to RSU vesting, and explicitly state that each sale does not represent a discretionary trade by Houston.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/02/2026 - 08:57 PM EST Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Houston John G

(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, INC. [ ARVN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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
Common Stock	02/27/2026		S		4,688(1)	D	$13.24	1,152,792	D
Common Stock	02/27/2026		S		18,822(2)	D	$13.24	1,133,970	D
Common Stock	02/27/2026		S		11,787(3)	D	$13.14	1,122,183	D

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

Explanation of Responses:

1. This sale was made automatically by the Issuer to cover tax withholding obligations in connection with the vesting and settlement of one-quarter of the reporting person's restricted stock units (RSUs) granted on February 22, 2023 when the reporting person was serving as President and CEO. The sale does not represent a discretionary trade.

2. This sale was made automatically by the Issuer to cover tax withholding obligations in connection with the vesting and settlement of one-half of the reporting person's restricted stock units (RSUs) granted on February 23, 2024 when the reporting person was serving as President and CEO. The sale does not represent a discretionary trade.

3. This sale was made automatically by the Issuer to cover tax withholding obligations in connection with the vesting and settlement of one-quarter of the reporting person's restricted stock units (RSUs) granted on February 13, 2025 when the reporting person was serving as President and CEO. The sale does not represent a discretionary trade.

Remarks:

	/s/ Jared Freedberg, as attorney-in-fact for John Houston	03/02/2026
	** 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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.