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Kastelein Johannes Jacob Pieter
Insider
CIK: 0002000389
Total Volume
$17.4M
Purchases
$0
Sales
$13.4M
Companies
1
Trading History (4 filings)
NewAmsterdam Pharma Co N.V.
(NAMS)
Kastelein Johannes Jacob Pieter
Insider
Filed Mar 9, 2026
Sell
$9.1M
3 sales
View Details
SEC Filing
NewAmsterdam Pharma Co N.V.
(NAMS)
Kastelein Johannes Jacob Pieter
Insider
Filed Feb 24, 2026
Sell
$1.6M
2 sales
View Details
SEC Filing
NewAmsterdam Pharma Co N.V.
(NAMS)
Kastelein Johannes Jacob Pieter
Insider
Filed Jan 7, 2026
Sell
$199.5K
1 sale
1 grant
View Details
SEC Filing
NewAmsterdam Pharma Co N.V.
(NAMS)
Kastelein Johannes Jacob Pieter
Insider
Filed Aug 25, 2025
Sell
$2.5M
3 sales
View Details
SEC Filing