InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the full record of transactions filed by Kastelein Johannes Jacob Pieter. Director active across 1 company, notably NewAmsterdam Pharma Co N.V.. Aggregated, 4 disclosures have been published. History available since 26 March 2025. The latest transaction was disclosed on 26 March 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
4 of 4 declarations