Louise Frederika Kooij - 25 Aug 2025 Form 4 Insider Report for NewAmsterdam Pharma Co N.V. (NAMS)

Role: Chief Accounting Officer
Signature: /s/ Louise Kooij
Issuer symbol: NAMS
Transactions as of: 25 Aug 2025
Net transactions value: -$205,567
Form type: 4
Filing time: 27 Aug 2025, 17:08:32 UTC
Previous filing: 28 Mar 2025
Next filing: 04 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kooij Louise Frederika	Chief Accounting Officer	C/O NEWAMSTERDAM PHARMA COMPANY N.V., GOOIMEER 2-35, NAARDEN, NETHERLANDS	/s/ Louise Kooij	27 Aug 2025	0002004379

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NAMS	Ordinary Shares	Sale	$205,567	-8,269	-36%	$24.86	15,000	25 Aug 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.74 per share to $24.92 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each transaction.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.74 per share to $24.92 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each transaction.