Christine E. Seidman - Sep 30, 2025 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role
Director
Signature
/s/ Kelly E. W. Grez as Attorney-in-Fact for Christine E. Seidman
Stock symbol
MRK
Transactions as of
Sep 30, 2025
Transactions value $
$8,125
Form type
4
Date filed
10/2/2025, 09:31 AM
Previous filing
Jul 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Seidman Christine E Director MERCK & CO., INC., 126 EAST LINCOLN AVENUE, RAHWAY /s/ Kelly E. W. Grez as Attorney-in-Fact for Christine E. Seidman 2025-10-02 0001805745

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding MRK Common Stock 100 Sep 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 $8.13K +96.8 +0.52% $83.93 18.8K Sep 30, 2025 Common Stock 96.8 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.