Mr. Chirfi Guindo - 05 Aug 2024 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role: Chief Marketing Officer
Signature: /s/ Kelly Grez, as attorney-in-fact for Mr. Chirfi Guindo
Issuer symbol: MRK
Transactions as of: 05 Aug 2024
Net transactions value: +$2,245,133
Form type: 4
Filing time: 06 Aug 2024, 12:20:35 UTC
Previous filing: 02 May 2024
Next filing: 04 Dec 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRK	Common Stock	Options Exercise	$4,250,995	+36,901	+177%	$115.20	57,782	05 Aug 2024	Direct	F1
transaction	MRK	Common Stock	Tax liability	$2,005,862	-17,412	-30%	$115.20	40,370	05 Aug 2024	Direct
holding	MRK	Common Stock-401(k) Plan						54	05 Aug 2024	By 401(k)	F2

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	Restricted Stock Unit	Options Exercise	$0	-36,901	-50%	$0.000000	36,903	05 Aug 2024	Common Stock	36,901		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Holdings include shares acquired in dividend reinvestment transactions.
F2	Includes shares acquired and dividends earned through July 8, 2024 in the Merck U.S. Savings Plan, a 401(k) plan.
F3	Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.
F4	These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 8/3/2023, 8/3/2024 and 8/3/2025 or, if such date is not a business day, the business day immediately thereafter.