Michael Klobuchar - May 4, 2024 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role: EVP - Chief Strategy Officer
Signature: /s/ Kelly E. W. Grez, attorney-in-fact for Michael Klobuchar
Stock symbol: MRK
Transactions as of: May 4, 2024
Transactions value $: $57,380
Form type: 4
Date filed: 5/6/2024, 04:06 PM
Previous filing: May 2, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRK	Common Stock	Options Exercise	$113K	+887	+3.83%	$127.51	24.1K	May 4, 2024	Direct
transaction	MRK	Common Stock	Tax liability	-$55.7K	-437	-1.82%	$127.51	23.6K	May 4, 2024	Direct	F1
holding	MRK	Common Stock						6.29	May 4, 2024	By Child
holding	MRK	Common Stock						6.29	May 4, 2024	By Child
holding	MRK	Common Stock - 401(k) Plan						867	May 4, 2024	By 401(k)	F2
holding	MRK	Common Stock - 401(k) Plan						697	May 4, 2024	By Spouse	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	-887	-100%	$0.00^*	0	May 4, 2024	Common Stock	887		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 April 5, 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 vested and were distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/4/2022, 5/4/2023 and 5/4/2024.