Senior insider sale
Chief Accounting Officer at NEWAMSTERDAM PHARMA CO N.V. — senior position signals high conviction
$4.44M
176.34K shares
What this filing means
KOOIJ LOUISE FREDERIKA plans to sell 176.34K shares of NEWAMSTERDAM PHARMA CO N.V. valued at approximately $4.44M. 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: 9/9/2025ACC: 0001974494-25-000102
Officer· Chief Accounting Officer
Since Jan 2026
176.34K
Shares to sell
$4.44M
Approx. market value
150K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Exercise and Sell (Equity Compensation)
Cash
11/22/2022
150KTotal acquired150K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
11/22/2022 | Exercise and Sell (Equity Compensation) Cash | 150K | — |
| Total | 150K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
18.07K
Market value
$453.5K
9/3/2025
—Completed
Units to sell
8.27K
Market value
$205.5K
8/25/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
150K
Market value
$3.78M
9/9/2025
Total
Units
176.34K
Value
$4.44M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
9/3/2025 | 18.07K | $453.5K | — | Completed |
8/25/2025 | 8.27K | $205.5K | — | Completed |
| Planned — Approximate Date | ||||
9/9/2025 | 150K | $3.78M | NASDAQ | Planned |
| Total | 176.34K | $4.44M | ||