Senior insider sale
Chief Accounting Officer at NEWAMSTERDAM PHARMA CO N.V. — senior position signals high conviction
$5.30M
147.65K shares
What this filing means
KOOIJ LOUISE FREDERIKA plans to sell 147.65K shares of NEWAMSTERDAM PHARMA CO N.V. valued at approximately $5.30M. 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: 1/5/2026ACC: 0001974494-26-000017
Officer· Chief Accounting Officer
Since Jan 2026
147.65K
Shares to sell
$5.30M
Approx. market value
5K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Vesting of RSU Grant
RSU Vesting
1/2/2026
5KTotal acquired5K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
1/2/2026 | Vesting of RSU Grant RSU Vesting | 5K | — |
| Total | 5K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
145K
Market value
$5.21M
12/23/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
2.65K
Market value
$88.0K
1/5/2026
Total
Units
147.65K
Value
$5.30M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
12/23/2025 | 145K | $5.21M | — | Completed |
| Planned — Approximate Date | ||||
1/5/2026 | 2.65K | $88.0K | NASDAQ | Planned |
| Total | 147.65K | $5.30M | ||