Johannes Jacob Pieter Kastelein - 01 Jan 2024 Form 4 Insider Report for NewAmsterdam Pharma Co N.V. (NAMS)

Role: Chief Scientific Officer, Director
Signature: /s/ Louise Kooij by Power of Attorney from Johannes Jacob Pieter Kastelein
Issuer symbol: NAMS
Transactions as of: 01 Jan 2024
Transactions value $: $0
Form type: 4
Filing time: 03 Jan 2024, 17:17:03 UTC
Previous filing: 29 Dec 2023
Next filing: 27 Mar 2024
SEC: View on sec.gov

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	NAMS	Option (right to buy)	Award	$0	+500K		$0.00	500K	01 Jan 2024	Ordinary Shares	500K	$11.17	Direct	F1

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

Explanation of Responses:

Id	Content
F1	25% of the shares underlying the option will vest on January 1, 2025, the one-year anniversary of vesting start date, with the remaining shares vesting in equal monthly installments thereafter for three years, subject to the Reporting Person's continued service through each such date.