New Amsterdam Pharma CO N.V. NAMS
We take great care to ensure that the data presented and summarized in this overview for NewAmsterdam Pharma Co N.V. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Latest Institutional Activity in NAMS
Top Purchases
Top Sells
About NAMS
Insider Transactions at NAMS
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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
|
|
Jun 25
2025
|
James N Topper |
BUY
Open market or private purchase
|
Indirect |
1,260
+0.04%
|
$22,680
$18.26 P/Share
|
|
Jun 24
2025
|
James N Topper |
BUY
Open market or private purchase
|
Indirect |
2,520
+0.08%
|
$45,360
$18.43 P/Share
|
|
Jun 16
2025
|
Douglas F Kling Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
100,000
-43.01%
|
$1,900,000
$19.47 P/Share
|
|
Jun 16
2025
|
Douglas F Kling Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
100,000
+26.11%
|
$1,000,000
$10.45 P/Share
|
|
Jun 16
2025
|
James N Topper |
BUY
Open market or private purchase
|
Indirect |
8,584
+0.28%
|
$163,096
$19.5 P/Share
|
|
Jun 01
2025
|
Louis G Lange |
BUY
Exercise of conversion of derivative security
|
Indirect |
68
+0.24%
|
-
|
|
Jun 01
2025
|
Michael F Marino Iii |
BUY
Grant, award, or other acquisition
|
Direct |
55,000
+50.0%
|
-
|
|
May 15
2025
|
Douglas F Kling Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
100,000
-69.44%
|
-
|
|
May 15
2025
|
Douglas F Kling Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
100,000
+40.98%
|
$1,000,000
$10.0 P/Share
|
|
May 01
2025
|
Louis G Lange |
BUY
Exercise of conversion of derivative security
|
Indirect |
69
+0.24%
|
-
|
|
Apr 15
2025
|
Douglas F Kling Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
100,000
-35.42%
|
-
|
|
Apr 15
2025
|
Douglas F Kling Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
100,000
+40.98%
|
$1,000,000
$10.0 P/Share
|
|
Apr 15
2025
|
Adele M. Gulfo |
BUY
Grant, award, or other acquisition
|
Direct |
10,860
+50.0%
|
-
|
|
Apr 14
2025
|
Louis G Lange |
BUY
Exercise of conversion of derivative security
|
Indirect |
69
+0.25%
|
-
|
|
Mar 26
2025
|
James N Topper |
BUY
Open market or private purchase
|
Indirect |
1,135
+0.04%
|
$24,970
$22.49 P/Share
|
Last 12 Months Summary
Buy / Acquisition
1.8M
Shares
From
23
Insiders
| Grant, award, or other acquisition | 462K shares |
|---|---|
| Open market or private purchase | 24.1K shares |
| Exercise of conversion of derivative security | 1.32M shares |
Sell / Disposition
2.26M
Shares
From
5
Insiders
| Open market or private sale | 2.26M shares |
|---|