Johannes Jacob Pieter Kastelein, Chief Scientific Officer at NewAmsterdam Pharma Co N.V. (NAMS), sold 45,481 shares at $35.00 ($1.6M) on 2026-02-20, disclosed to the SEC on 2026-02-24.
Open-market sale of $1.6M NAMS by Chief Scientific Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $35.00 | 14,692 | $514K | 32.0% |
| 2 | $35.46 | 30,789 | $1.1M | 68.0% |
| Total | $35.31 avg | 45,481 | $1.6M | 100% |
| Filing → |
| NAMS | SELL | 2026-01-07 | $200K | — | Filing → |
| NAMS | SELL | 2025-08-25 | $3.7M | — | Filing → |
| NAMS | SELL | 2024-03-27 | $4.1M | — | Filing → |