Gregg Piontek, Senior Vice President and CFO at NPK International Inc. (NPKI), sold 30,000 shares at $15.03 ($451K) on 2026-03-25, disclosed to the SEC on 2026-03-26.
Scheduled sale ($451k) by Senior Vice President and CFO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $15.03 | 15,000 | $225K | 50.0% |
| 2 | $15.03 | 15,000 | $225K | 50.0% |
| Total | $15.03 avg | 30,000 | $451K | 100% |
| Filing → |
| NPKI | SELL | 2026-03-05 | $3.1M | — | Filing → |
| NR | BUY | 2022-08-09 | $26K | — | Filing → |
| NR | BUY | 2020-11-12 | $16K | — | Filing → |