When did the Arvinas (ARVN) insider share purchase by Briggs Morrison occur?

The purchase occurred on March 6, 2026. On that date, Briggs Morrison executed multiple open-market trades in Arvinas common stock, collectively totaling 20,000 shares at a weighted average price disclosed as $13.4035 per share.

Arvinas director buys 20,000 shares in market

Filing Impact

(Moderate)

Filing Sentiment

(Positive)

Form Type

Rhea-AI Filing Summary

Arvinas, Inc. director Briggs Morrison reported an open-market purchase of 20,000 shares of the company’s common stock. The transaction took place on March 6, 2026 at a weighted average price of $13.4035 per share, and increased his direct holdings to 96,021 shares. A footnote explains that the purchase price is a weighted average of multiple trades executed between $13.364 and $13.45 per share.

Insider Trade Summary

Net Buyer: 20,000 shares

Net Buy 1 txn

Insider Morrison Briggs

Role Director

Bought 20,000 shs ($268K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	20,000	$13.4035	$268K

Holdings After Transaction: Common Stock — 96,021 shares (Direct)

Footnotes (1)

F1. The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.364 to $13.45, inclusive. The reporting person undertakes to provide to Arvinas, Inc., any security holder of Arvinas, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

FAQ

What insider transaction did Arvinas (ARVN) director Briggs Morrison report?

Briggs Morrison reported buying 20,000 shares of Arvinas common stock in an open-market purchase. The transaction increased his direct ownership to 96,021 shares, reflecting a meaningful personal investment by a board member based on the disclosed Form 4 data.

At what price did Briggs Morrison buy Arvinas (ARVN) shares?

He bought the shares at a weighted average price of $13.4035 per share. A footnote states the trades occurred in multiple transactions, with prices ranging from $13.364 to $13.45 per share, all on the same reported transaction date.

How many Arvinas (ARVN) shares does Briggs Morrison now own after this trade?

After the reported purchase, Briggs Morrison directly owns 96,021 shares of Arvinas common stock. This total includes the newly acquired 20,000 shares from the March 6, 2026 open-market transaction disclosed in the Form 4 filing.

Was the Arvinas (ARVN) insider transaction a buy or a sell?

The transaction was a buy. The Form 4 shows transaction code “P” and describes it as an open-market purchase, with 20,000 Arvinas common shares acquired by director Briggs Morrison at a weighted average price of $13.4035 per share.

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Accepted by SEC EDGAR 03/09/2026 - 04:05 PM

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^*

Morrison Briggs

(Last)

(First)

(Middle)

C/O ARVINAS, INC.

5 SCIENCE PARK, 395 WINCHESTER AVE.

(Street)

NEW HAVEN

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)
03/06/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/06/2026		P		20,000	A	$13.4035⁽¹⁾	96,021	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.364 to $13.45, inclusive. The reporting person undertakes to provide to Arvinas, Inc., any security holder of Arvinas, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Remarks:

	/s/ Jared Freedberg, as attorney-in-fact for Briggs Morrison	03/09/2026
	** 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.

Source: View Original Filing on SEC EDGAR