Johannes Jacobus Oosthuizen - 28 Oct 2022 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role: President, U.S. Market
Signature: /s/ Kelly E. W. Grez, as attorney-in-fact for Johannes Oosthuizen
Issuer symbol: MRK
Transactions as of: 28 Oct 2022
Net transactions value: -$317,408
Form type: 4
Filing time: 01 Nov 2022, 16:30:40 UTC
Previous filing: 05 May 2022
Next filing: 07 Nov 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRK	Common Stock	Sale	$364,065	-3,633	-25%	$100.21	10,881	28 Oct 2022	Direct
transaction	MRK	Common Stock	Options Exercise	$92,003	+913	+8.4%	$100.77	11,794	30 Oct 2022	Direct
transaction	MRK	Common Stock	Tax liability	$45,346	-450	-3.8%	$100.77	11,344	30 Oct 2022	Direct	F1

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	-913	-50%	$0.000000	915	30 Oct 2022	Common Stock	913		Direct	F2, F3

* 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	Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.
F3	These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 10/30/2021, 10/30/2022 and 10/30/2023.