Kastelein Johannes Jacob Pieter sold $3.4M of NAMS (indirect holdings)
Kastelein Johannes Jacob Pieter (Chief Scientific Officer) sold 125,000 indirectly-held shares of NewAmsterdam Pharma Co N.V. (NAMS) at $26.91 ($3.36M total) on 2026-08-24 under a Rule 10b5-1 trading plan.

