Kastelein Johannes Jacob Pieter bought NAMS

March 5, 2026 · Form 4 insider transaction

Kastelein Johannes Jacob Pieter bought 104,467 shares of NewAmsterdam Pharma Company N.V., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
104,467
Price
N/A
Total value
N/A
RoleOfficer, Director
SecurityOrdinary Shares
Transaction codeM: Option exercise
Transaction dateMarch 5, 2026
Filing dateMarch 9, 2026
Shares owned after173,769
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The exercise price of the option is EUR 1.16392.; 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.

View the original Form 4 on SEC EDGAR