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NAMS Sale Disclosure
Kastelein Johannes Jacob Pieter · SEC Form 4 · Filed Oct 2, 2026
Sale
Calculated transaction value
$1.26M
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 @ $25.03
- SEC ownership
- Indirect
- Transaction code
- S
- 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 | Exercise | Sep 30, 2026 | Not reported |
| Newamsterdam Pharma Co N.v. NAMS Current | Sale | Sep 30, 2026 | $1.26M |
| Newamsterdam Pharma Co N.v. NAMS | Exercise | Sep 30, 2026 | $0 |