LANGE LOUIS G
SEC CIK 1238401 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| NAMS | NewAmsterdam Pharma Co N.V. | Dir | 10.8K | $95.0K | $2.19M | 10 | 2024-02-13 | 2026-03-11 |
Most active insiders at NAMS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Davidson Michael H. | CEO, Dir | $226.5K | $25.33M |
| 2 | Kooij Louise Frederika | CAO | — | $16.75M |
| 3 | Kastelein Johannes Jacob Pieter | CSO, Dir | — | $14.26M |
| 4 | Somaiya Mayur Ian | CFO | — | $3.43M |
| 5 | LANGE LOUIS G | Dir | — | $2.19M |
| 6 | Smither John W | Dir | — | $40.5K |
| 7 | Gunning Robert William | VP, Ctrl | — | — |
| 8 | van der Kamp Hilde Johanna | Dir | — | — |
| 9 | McKenna Mark C. | Dir | — | — |
| 10 | Gulfo Adele M. | Dir | — | — |
Transactions 10
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-03-12 | 2026-03-11 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | S - Sale | $30.42 | -44.6K | 10.8K | -81% | -$1.36M |
| D | 2026-03-10 | 2026-03-09 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | X - OptEx | $11.50 | +44.6K | 55.0K | +431% | +$513.1K |
| DI | 2026-03-10 | 2026-03-06 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | S - Sale+OE | $29.41 | -28.2K | 0 | -100% | -$829.0K |
| D | 2026-01-09 | 2026-01-07 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | A - Grant | — | +3,400 | 10.4K | +49% | — |
| DI | 2025-06-03 | 2025-06-01 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | M - OptEx | $0.00 | +68 | 28.2K | +0.2% | $0 |
| DI | 2025-05-02 | 2025-05-01 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | M - OptEx | $0.00 | +69 | 28.1K | +0.2% | $0 |
| DI | 2025-04-21 | 2025-04-14 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | M - OptEx | $0.00 | +69 | 28.0K | +0.2% | $0 |
| D | 2025-03-28 | 2025-03-26 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | M - OptEx | $0.00 | +3,102 | 10.1K | +45% | $0 |
| D | 2025-01-08 | 2025-01-07 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | A - Grant | — | +6,960 | 6,960 | New | — |
| I | 2024-02-21 | 2024-02-13 | NAMS | NewAmsterdam Pharma Co N.V. | LANGE LOUIS G | Dir | P - Purchase | $19.00 | +5,000 | 24.9K | +25% | +$95.0K |
Purchase Sale Sale after option exercise All abbreviations