// insider-profile
Kastelein Johannes Jacob Pieter
Title: Chief Scientific OfficerView on SEC.gov ↗
// activity-summary
No insider transactions in the last 30 days.
// track-record
$0
Total purchased
$17.5M
Total sold
10
0B · 10S transactions
Net seller
Overall direction
Most active in
Filing history: Jan 2024 — Mar 2026Based on last 30 filings
Transaction History
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 9, 2026 | Kastelein Johannes Jacob Pieter | NAMS | Option Exercise | 101,409 | — | — |
| Mar 9, 2026 | Kastelein Johannes Jacob Pieter | NAMS | Sale | 101,409 | $30.29 | $3.07M |
| Mar 9, 2026 | Kastelein Johannes Jacob Pieter | NAMS | Option Exercise | 101,409 | $0.00 | $0K |
| Mar 6, 2026 | Kastelein Johannes Jacob Pieter | NAMS | Option Exercise | 94,124 | — | — |
| Mar 6, 2026 | Kastelein Johannes Jacob Pieter | NAMS | Sale | 94,124 | $30.32 | $2.85M |
25 more transactions hidden
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