Kastelein Johannes Jacob Pieter bought NAMS

September 30, 2026 · Form 4 insider transaction

Kastelein Johannes Jacob Pieter bought 50,246 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 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
50,246
Price
N/A
Total value
N/A
RoleOfficer, Director
SecurityOrdinary Shares
Transaction codeM: Option exercise
Transaction dateSeptember 30, 2026
Filing dateOctober 2, 2026
Shares owned after119,548
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The exercise price of the option is EUR 1.16392.; These Ordinary Shares are held by Futurum B.V. ("Futurum") through NAP PoolCo B.V. ("PoolCo") for the benefit of the Reporting Person. The Reporting Person exercises sole voting and investment control over the securities held by Futurum through PoolCo. PoolCo has no voting or investment control or pecuniary interest in the securities held on behalf of Futurum.

View the original Form 4 on SEC EDGAR
Kastelein Johannes Jacob Pieter bought NAMS: September 30, 2026 | Insider Trading Screener