Johannes Jacob Pieter Kastelein, an insider at NewAmsterdam Pharma Co. N.V. (NAMS), sold 30,789 shares of the company's stock on February 24, 2026. The transaction was executed at a price of $35.46 per share, resulting in a total value of approximately $1,091,777.
This sale follows other recent insider transactions at NewAmsterdam Pharma. Earlier in February 2026, Kastelein also sold 14,692 shares. Additionally, Louise Frederika Kooij made several sales of NAMS stock in late December 2025.
Insider sales can be attributed to various personal financial decisions, including diversification or tax planning, and do not necessarily reflect a negative outlook on the company's future performance.