Kastelein Johannes Jacob Pieter

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Kastelein Johannes Jacob Pieter
CIK #0002000389
EDGAR Form CIK 2011 - 2026
3 [0002000389]
4 [0002000389]
Form 3/4/5 Subject 2011 - 2026
NewAmsterdam Pharma Co NV
Kastelein Johannes Jacob Pieter
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
NewAmsterdam Pharma Co NV NAMS
Option (right to buy) · derivative
2026-03-09 Option exercise 101,409 $0.00
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-03-09 Option exercise 101,409
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-03-09 Sell 101,409 $30.29 3,071,679
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-03-06 Sell 94,124 $30.32 2,853,840
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-03-06 Option exercise 94,124
NewAmsterdam Pharma Co NV NAMS
Option (right to buy) · derivative
2026-03-06 Option exercise 94,124 $0.00
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-03-05 Sell 104,467 $30.30 3,165,350
NewAmsterdam Pharma Co NV NAMS
Option (right to buy) · derivative
2026-03-05 Option exercise 104,467 $0.00
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-03-05 Option exercise 104,467
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-02-20 Sell 14,692 $35.00 514,220
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-02-20 Sell 30,789 $35.46 1,091,778
NewAmsterdam Pharma Co NV NAMS
Option (right to buy) · derivative
2026-01-07 Grant 115,000 $0.00
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-01-07 Grant 25,500
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2026-01-05 Sell 6,000 $33.25 199,500
NewAmsterdam Pharma Co NV NAMS
Restricted Stock Unit · derivative
2025-03-26 Option exercise 45,481
NewAmsterdam Pharma Co NV NAMS
Restricted Stock Unit · derivative
2025-03-26 Grant 45,481
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2025-03-26 Grant 19,302 $0.00
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2025-03-26 Option exercise 45,481 $0.00
NewAmsterdam Pharma Co NV NAMS
Ordinary Shares
2025-03-24 Option exercise 150,000
NewAmsterdam Pharma Co NV NAMS
Option (right to buy) · derivative
2025-03-24 Option exercise 150,000 $0.00
showing 20 of 27 most recent transactions
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