Insider trades
Piontek Gregg
Piontek Gregg made 0 buys and 2 sales on the open market in the last 12 months at Npk International Inc. Each trade with the role, price and filing.
| Date | Company | Trade | Shares | Price |
|---|---|---|---|---|
| Apr 9, 2026 | Npk International Inc. | Sale | 15,000 | US$15 |
| Apr 1, 2026 | Npk International Inc. | Sale | 35,000 | US$15 |