Senior insider sale
NEWAMSTERDAM PHARMA CO N.V. — senior position signals high conviction
$878.8K
28.19K shares
What this filing means
LANGE LOUIS G plans to sell 28.19K shares of NEWAMSTERDAM PHARMA CO N.V. valued at approximately $878.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 3/6/2026ACC: 0001968582-26-000241
28.19K
Shares to sell
$878.8K
Approx. market value
28.09K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months7
RSU Award
Compensation
12/11/2025
68.00RSU Award
Compensation
5/13/2025
69.00RSU Award
Compensation
4/2/2025
69.00RSU Award
Compensation
4/2/2025
3.10KPurchase
Cash
2/14/2024
5KStock Option Exercise
Cash
12/19/2023
9.79KPurchase
Cash
6/7/2023
10KTotal acquired28.09K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
12/11/2025 | RSU Award Compensation | 68.00 | — |
5/13/2025 | RSU Award Compensation | 69.00 | — |
4/2/2025 | RSU Award Compensation | 69.00 | — |
4/2/2025 | RSU Award Compensation | 3.10K | — |
2/14/2024 | Purchase Cash | 5K | — |
12/19/2023 | Stock Option Exercise Cash | 9.79K | — |
6/7/2023 | Purchase Cash | 10K | — |
| Total | 28.09K | ||
Planned & Completed Dispositions1
NasdaqPlanned
Units to sell
28.19K
Market value
$878.8K
3/6/2026
Total
Units
28.19K
Value
$878.8K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
3/6/2026 | 28.19K | $878.8K | Nasdaq | Planned |
| Total | 28.19K | $878.8K | ||