Stephen Mayo - May 30, 2025 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role
Director
Signature
/s/ Kelly E. W. Grez as attorney-in-fact for Stephen L. Mayo
Stock symbol
MRK
Transactions as of
May 30, 2025
Transactions value $
$220,000
Form type
4
Date filed
6/3/2025, 01:14 PM
Previous filing
Mar 11, 2025
Next filing
Jun 23, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mayo Stephen Director MERCK & CO., INC., 126 EAST LINCOLN AVENUE, RAHWAY /s/ Kelly E. W. Grez as attorney-in-fact for Stephen L. Mayo 2025-06-03 0001849061

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding MRK Common Stock 100 May 30, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MRK Phantom Stock Award $220K +2.86K +29.59% $76.84 12.5K May 30, 2025 Common Stock 2.86K Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 1-for-1
F2 Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.
F3 Holdings include shares acquired in dividend reinvestment transactions.