Betty Larson - Apr 30, 2024 Form 4 Insider Report for Merck & Co., Inc. (MRK)

Role: EVP, Chief HR Officer
Signature: /s/ Kelly E. W. Grez as Attorney-in-Fact for Betty Larson
Stock symbol: MRK
Transactions as of: Apr 30, 2024
Transactions value $: $0
Form type: 4
Date filed: 5/2/2024, 04:25 PM
Previous filing: Apr 8, 2024

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	Award	$0	+34.1K		$0.00	34.1K	Apr 30, 2024	Common Stock	34.1K		Direct	F1, F2
transaction	MRK	Stock Option (Right to Buy)	Award	$0	+58.6K		$0.00	58.6K	Apr 30, 2024	Common Stock	58.6K	$129.22	Direct	F3
transaction	MRK	Stock Option (Right to Buy)	Award	$0	+31.1K		$0.00	31.1K	Apr 30, 2024	Common Stock	31.1K	$129.22	Direct	F3

Showing 1 to 3 of 3 entries

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.
F2	These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 4/30/2025, 4/30/2026 and 4/30/2027.
F3	The option vests and becomes exercisable in three equal installments on 4/30/2025, 4/30/2026 and 4/30/2027.

Remarks:

See Exhibit 24 - Power of Attorney.