NAMS
Newamsterdam Pharma CO N.v.
12 disclosed insider filings · 5 distinct insiders · latest Oct 2, 2026
Total filings
12
5 insiders
Insider buys
1
$227K
Insider sells
6
$7.8M
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Sep 30, 2026 | Johannes Jacob Pieter Kastelein INSIDER | SELL | 50,246 | $25.03 | $1.3M | — | EDGAR |
| Oct 2, 2026 | Sep 30, 2026 | Johannes Jacob Pieter Kastelein INSIDER | OTHER | 50,246 | — | — | — | EDGAR |
| Sep 15, 2026 | Sep 14, 2026 | Michael H Davidson INSIDER | BUY | 10,000 | $22.65 | $227K | — | EDGAR |
| Sep 9, 2026 | Sep 4, 2026 | John W Smither INSIDER | SELL | 1,600 | $25.32 | $41K | — | EDGAR |
| Sep 3, 2026 | Sep 1, 2026 | Robert William Gunning INSIDER | OTHER | 3,200 | — | — | — | EDGAR |
| Aug 25, 2026 | Aug 24, 2026 | Johannes Jacob Pieter Kastelein INSIDER | SELL | 125,000 | $26.91 | $3.4M | — | EDGAR |
| Aug 25, 2026 | Aug 24, 2026 | Johannes Jacob Pieter Kastelein INSIDER | OTHER | 125,000 | — | — | — | EDGAR |
| Jul 22, 2026 | Jul 20, 2026 | Louise Frederika Kooij INSIDER | OTHER | 105,000 | $11.34 | $1.2M | 2 | EDGAR |
| Jul 22, 2026 | Jul 20, 2026 | Louise Frederika Kooij INSIDER | SELL | 105,000 | $30.34 | $3.2M | 3 | EDGAR |