Michael A. Klobuchar - 01 May 2023 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
Issuer symbol: MRK
Transactions as of: 01 May 2023
Net transactions value: +$50,691
Form type: 4
Filing time: 03 May 2023, 15:00:31 UTC
Previous filing: 25 Jan 2023
Next filing: 04 May 2023
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	$99,997	+866	+4.8%	$115.47	18,901	01 May 2023	Direct
transaction	MRK	Common Stock	Tax liability	$49,306	-427	-2.2%	$115.47	18,591	01 May 2023	Direct	F1
holding	MRK	Common Stock						6	01 May 2023	By Child
holding	MRK	Common Stock						6	01 May 2023	By Child
holding	MRK	Common Stock - 401(k) Plan						845	01 May 2023	By 401(k)	F2
holding	MRK	Common Stock - 401(k) Plan						680	01 May 2023	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	-866	-100%	$0.000000^*	0	01 May 2023	Common Stock	866		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 10, 2023 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 5/1/2021, 5/1/2022 and 5/1/2023.