Dalton E. Smart III - 04 Feb 2026 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role
SVP Fin. - Global Controller
Signature
/s/ Kelly E. W. Grez, attorney-in-fact for Dalton E. Smart, III
Issuer symbol
MRK
Transactions as of
04 Feb 2026
Net transactions value
-$517,640
Form type
4
Filing time
06 Feb 2026, 16:18:28 UTC
Previous filing
28 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Smart Dalton E. III SVP Fin. - Global Controller 126 EAST LINCOLN AVENUE, RAHWAY /s/ Kelly E. W. Grez, attorney-in-fact for Dalton E. Smart, III 06 Feb 2026 0002003375

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRK Common Stock Options Exercise $248,280 +4,000 +38% $62.07 14,605 04 Feb 2026 Direct
transaction MRK Common Stock Sale $478,700 -4,000 -27% $119.68 10,605 04 Feb 2026 Direct
transaction MRK Common Stock Sale $287,220 -2,400 -23% $119.68 8,205 04 Feb 2026 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 Stock Option (Right to Buy) Options Exercise $0 -4,000 -33% $0.000000 8,130 04 Feb 2026 Common Stock 4,000 $62.07 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option became exercisable in equal installments on 5/5/2018, 5/5/2019 and 5/5/2020.