Johannes Jacob Pieter Kastelein
Director, Chief Scientific Officer
Filings
1
Companies
1
Latest
Mar 5, 2026
Transactions
Signal
Ticker / Company
Insider
Transaction
Value
Filed
NewAmsterdam Pharma Co N.V.
Director, Chief Scientific Officer
$3.1M
101,409 sh
Mar 10 12:18 AM
Mar 9, 2026
NewAmsterdam Pharma Co N.V.
Director, Chief Scientific Officer
—
101,409 sh
Mar 10 12:18 AM
Mar 9, 2026
NewAmsterdam Pharma Co N.V.
Director, Chief Scientific Officer
$2.9M
94,124 sh
Mar 10 12:18 AM
Mar 6, 2026
NewAmsterdam Pharma Co N.V.
Director, Chief Scientific Officer
—
94,124 sh
Mar 10 12:18 AM
Mar 6, 2026
NewAmsterdam Pharma Co N.V.
Director, Chief Scientific Officer
$3.2M
104,467 sh
Mar 10 12:18 AM
Mar 5, 2026
NewAmsterdam Pharma Co N.V.
Director, Chief Scientific Officer
—
104,467 sh
Mar 10 12:18 AM
Mar 5, 2026