v3.25.1
Document and Entity Information
Jun. 04, 2025
Document And Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jun. 04, 2025
Entity Registrant Name NewAmsterdam Pharma Company N.V.
Entity Incorporation State Country Code P7
Entity File Number 001-41562
Entity Tax Identification Number 00-0000000
Entity Address Address Line 1 Gooimeer 2-35
Entity Address City Or Town Naarden
Entity Address Country NL
Entity Address Postal Zip Code 1411 DC
Country Region 31
City Area Code (0) 35
Local Phone Number 206 2971
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001936258
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Ordinary Shares, nominal value €0.12 per share
Trading Symbol NAMS
Security Exchange Name NASDAQ
Warrant [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants to purchase Ordinary Shares
Trading Symbol NAMSW
Security Exchange Name NASDAQ