Arpa Garay - 01 May 2022 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role: SVP Human Health Global Mktg.
Signature: /s/ Kelly E. W. Grez, as attorney-in-fact for Arpa Garay
Issuer symbol: MRK
Transactions as of: 01 May 2022
Net transactions value: +$54,899
Form type: 4
Filing time: 03 May 2022, 16:11:35 UTC
Previous filing: 10 Mar 2022
Next filing: 05 May 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	Options Exercise	$76,806	+866	+299%	$88.69	1,156	01 May 2022	Direct
transaction	MRK	Common Stock	Tax liability	$21,906	-247	-21%	$88.69	909	01 May 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	-866	-50%	$0.000000	866	01 May 2022	Common Stock	866		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 5/1/2021, 5/1/2022 and 5/1/2023.