Johannes Jacob Pieter Kastelein insider trades
Open-market stock purchases and sales by Johannes Jacob Pieter Kastelein, Chief Scientific Officer at NewAmsterdam Pharma Co NV, from SEC Form 4 filings since Jan 1, 2024.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Mar 9, 2026 | NAMS NewAmsterdam Pharma Co NV | Sold | $3.1M |
| Mar 9, 2026 | NAMS NewAmsterdam Pharma Co NV | Bought (not open market) | — |
| Mar 6, 2026 | NAMS NewAmsterdam Pharma Co NV | Sold | $2.9M |
| Mar 6, 2026 | NAMS NewAmsterdam Pharma Co NV | Bought (not open market) | — |
| Mar 5, 2026 | NAMS NewAmsterdam Pharma Co NV | Sold | $3.2M |
| Mar 5, 2026 | NAMS NewAmsterdam Pharma Co NV | Bought (not open market) | — |
| Feb 20, 2026 | NAMS NewAmsterdam Pharma Co NV | Sold | $514K |
| Feb 20, 2026 | NAMS NewAmsterdam Pharma Co NV | Sold | $1.1M |
| Jan 7, 2026 | NAMS NewAmsterdam Pharma Co NV | Bought (not open market) | — |
| Jan 7, 2026 | NAMS NewAmsterdam Pharma Co NV | Bought (not open market) | — |
| Jan 5, 2026 | NAMS NewAmsterdam Pharma Co NV | Sold | $200K |
Companies traded
- NAMS NewAmsterdam Pharma Co NV: 10 sales, last Mar 9, 2026
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