NewAmsterdam Pharma Co N.V.
NAMS
DELAYED 1 MONTH
4 insider filings · Latest: May 26, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| May 26, 2026 | May 27 8:30 PM | Louise Frederika KooijChief Accounting Officer | Sale | 65,000 | $35.69 | $2.3M | 24,353(D) | View → |
| Mar 11, 2026 | Mar 12 8:25 PM | Louis G LangeDirector | Sale | 44,619 | $30.42 | $1.4M | 10,360(D) | View → |
| Mar 6, 2026 | Mar 11 12:58 AM | Louis G LangeDirector | Sale | 28,186 | $29.41 | $829.0K | 0(I) | View → |
| Mar 9, 2026 | Mar 10 12:18 AM | Johannes Jacob Pieter KasteleinDirector, Chief Scientific Officer | Sale | 101,409 | $30.29 | $3.1M | 69,302(I) | View → |
| Mar 6, 2026 | Mar 10 12:18 AM | Johannes Jacob Pieter KasteleinDirector, Chief Scientific Officer | Sale | 94,124 | $30.32 | $2.9M | 69,302(I) | View → |
| Mar 5, 2026 | Mar 10 12:18 AM | Johannes Jacob Pieter KasteleinDirector, Chief Scientific Officer | Sale | 104,467 | $30.30 | $3.2M | 69,302(I) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 26, 2026 | May 27 8:30 PM | Louise Frederika KooijChief Accounting Officer | Option Exercise | 65,000 | $10.90 | 68,134(D) | View → |
| Mar 9, 2026 | Mar 11 12:58 AM | Louis G LangeDirector | X | 44,619 | $11.50 | 0(D) | View → |
| Mar 9, 2026 | Mar 10 12:18 AM | Johannes Jacob Pieter KasteleinDirector, Chief Scientific Officer | Option Exercise | 101,409 | — | 520,229(I) | View → |
| Mar 6, 2026 | Mar 10 12:18 AM | Johannes Jacob Pieter KasteleinDirector, Chief Scientific Officer | Option Exercise | 94,124 | — | 621,638(I) | View → |
| Mar 5, 2026 | Mar 10 12:18 AM | Johannes Jacob Pieter KasteleinDirector, Chief Scientific Officer | Option Exercise | 104,467 | — | 715,762(I) | View → |