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NAMS Exercise Disclosure
Kastelein Johannes Jacob Pieter · SEC Form 4 · Filed Oct 2, 2026
Exercise
Reported value range
Not reported
Kastelein Johannes Jacob Pieter Chief Scientific Officer
NAMS
Transaction date
Sep 30, 2026
Public filing date
Oct 2, 2026
Filing lag
Filed 2 days later
NAMS daily price context
Close on/before transaction
$24.32
Sep 30, 2026
First close after public filing
$22.8
Oct 5, 2026
30-day return after filing
-14.21%
Through Nov 2, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Ordinary Shares
- Quantity / price
- 50,246 shares
- SEC ownership
- Indirect
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0001193125-26-412431
Filing cohort
Transactions in this filing
Showing 3 of 3
Trades
3
Issuers
1
Estimated value
$1.26M
Buys / sales
0 / 1
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Newamsterdam Pharma Co N.v. NAMS Current | Exercise | Sep 30, 2026 | Not reported |
| Newamsterdam Pharma Co N.v. NAMS | Sale | Sep 30, 2026 | $1.26M |
| Newamsterdam Pharma Co N.v. NAMS | Exercise | Sep 30, 2026 | $0 |