Form 4 Tracker
Louise Frederika Kooij

Chief Accounting Officer · 4 filings · Latest: Jun 22, 2026

NewAmsterdam Pharma Co N.V.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
NAMS
Louise Frederika KooijChief Accounting OfficerJun 22, 2026
Sale
$30.2040,000$1.2M24,353
NAMS
Louise Frederika KooijChief Accounting OfficerJun 22, 2026
Option Exercise
$11.2840,000$451.0K64,353
NAMS
Louise Frederika KooijChief Accounting OfficerMay 26, 2026
Sale
$35.6965,000$2.3M24,353
NAMS
Louise Frederika KooijChief Accounting OfficerMay 26, 2026
Option Exercise
$10.0765,000$654.5K89,353
NAMS
Louise KooijMay 26, 2026
Proposed Sale
$35.44210,000$7.4M
NAMS
Louise Frederika KooijChief Accounting OfficerJan 28, 2026
Sale
$31.8032,612$1.0M24,353
NAMS
Louise Frederika KooijChief Accounting OfficerJan 28, 2026
Option Exercise
$10.9032,612$355.5K56,965
NAMS
Louise Frederika KooijChief Accounting OfficerJan 27, 2026
Sale
$32.6239,816$1.3M24,353
NAMS
Louise Frederika KooijChief Accounting OfficerJan 27, 2026
Option Exercise
$10.9039,816$434.0K64,169
NAMS
Louise Frederika KooijChief Accounting OfficerJan 26, 2026
Sale
$32.7834,400$1.1M24,353
NAMS
Louise Frederika KooijChief Accounting OfficerJan 26, 2026
Option Exercise
$10.9034,400$375.0K58,753
NAMS
Louise Frederika KooijChief Accounting OfficerJan 23, 2026
Sale
$33.7538,172$1.3M24,353
NAMS
Louise Frederika KooijChief Accounting OfficerJan 23, 2026
Option Exercise
$10.9038,172$416.1K62,525
NAMS
Louise KooijJan 5, 2026
Proposed Sale
$33.252,647$88.0K
NAMS
Louise KooijDec 23, 2025
Proposed Sale
$36.49290,000$10.6M
NAMS
Louise KooijSep 9, 2025
Proposed Sale
$25.20150,000$3.8M
NAMS
Kooij Louise FrederikaSep 3, 2025
Proposed Sale
$24.0518,073$434.7K
NAMS
Kooij Louise FrederikaAug 25, 2025
Proposed Sale
$25.198,269$208.3K
NAMS
Kooij Louise FrederikaMar 4, 2025
Proposed Sale
$20.27150,000$3.0M
NAMS
Kooij Louise FrederikaOct 1, 2024
Proposed Sale
$17.2945,000$778.0K