Kastelein Johannes Jacob Pieter sold NAMS
August 22, 2025 · Form 4 insider transaction
Kastelein Johannes Jacob Pieter sold 42,342 shares of NewAmsterdam Pharma Company N.V. at $25.08 per share, a transaction worth $1.06M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 3 days after the transaction.
Footnotes
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.39 per share to $25.35 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.; The ordinary shares are held by Futurum B.V. ("Futurum") for the benefit of the Reporting Person. The Reporting Person exercises sole voting and investment control over the ordinary shares held by Futurum.