Thomas H. Glocer - 31 Dec 2025 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role
Director
Signature
/s/ Kelly E. W. Grez as Attorney-in-Fact for Thomas H. Glocer
Issuer symbol
MRK
Transactions as of
31 Dec 2025
Net transactions value
+$48,750
Form type
4
Filing time
05 Jan 2026, 12:20:33 UTC
Previous filing
02 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GLOCER THOMAS H Director MERCK & CO., INC., 126 EAST LINCOLN AVENUE, RAHWAY /s/ Kelly E. W. Grez as Attorney-in-Fact for Thomas H. Glocer 05 Jan 2026 0001140799

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding MRK Common Stock 5,100 31 Dec 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 $48,750 +463 +0.43% $105.26 107,076 31 Dec 2025 Common Stock 463 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.