Insider Transactions in Q3 2025 at New Amsterdam Pharma CO N.V. (NAMS)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 03
2025
|
Louise Frederika Kooij Chief Accounting Officer |
SELL
Open market or private sale
|
Direct |
18,073
-54.65%
|
$451,825
$25.09 P/Share
|
|
Sep 02
2025
|
Louise Frederika Kooij Chief Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
18,073
+35.34%
|
-
|
|
Aug 25
2025
|
Louise Frederika Kooij Chief Accounting Officer |
SELL
Open market or private sale
|
Direct |
8,269
-35.54%
|
$198,456
$24.86 P/Share
|
|
Aug 22
2025
|
Johannes Jacob Pieter Kastelein Chief Scientific Officer |
SELL
Open market or private sale
|
Indirect |
50,000
-22.72%
|
$1,250,000
$25.29 P/Share
|
|
Aug 21
2025
|
Johannes Jacob Pieter Kastelein Chief Scientific Officer |
SELL
Open market or private sale
|
Indirect |
50,000
-29.53%
|
$1,200,000
$24.29 P/Share
|
|
Aug 11
2025
|
James N Topper |
BUY
Open market or private purchase
|
Indirect |
471
+0.02%
|
$10,833
$23.98 P/Share
|
|
Jul 16
2025
|
Douglas F Kling Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
51,043
-53.71%
|
$1,071,903
$21.1 P/Share
|
|
Jul 16
2025
|
Douglas F Kling Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
51,043
+34.94%
|
$510,430
$10.9 P/Share
|
|
Jul 15
2025
|
Douglas F Kling Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
47,569
-27.77%
|
$998,949
$21.75 P/Share
|
|
Jul 15
2025
|
Douglas F Kling Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
47,569
+34.19%
|
$475,690
$10.9 P/Share
|