Senior insider sale
Chief Accounting Officer at NEWAMSTERDAM PHARMA CO N.V. — senior position signals high conviction
$640.2K
26.34K shares
What this filing means
KOOIJ LOUISE FREDERIKA plans to sell 26.34K shares of NEWAMSTERDAM PHARMA CO N.V. valued at approximately $640.2K. 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: 9/3/2025ACC: 0002004379-25-000005
Officer· Chief Accounting Officer
Since Jan 2026
26.34K
Shares to sell
$640.2K
Approx. market value
18.07K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Option Exercise
Cash
9/2/2025
18.07KTotal acquired18.07K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
9/2/2025 | Option Exercise Cash | 18.07K | — |
| Total | 18.07K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
8.27K
Market value
$205.5K
8/25/2025
Planned — Approximate Date
Nasdaq Global MarketPlanned
Units to sell
18.07K
Market value
$434.7K
9/3/2025
Total
Units
26.34K
Value
$640.2K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/25/2025 | 8.27K | $205.5K | — | Completed |
| Planned — Approximate Date | ||||
9/3/2025 | 18.07K | $434.7K | Nasdaq Global Market | Planned |
| Total | 26.34K | $640.2K | ||