Companies / NPK International Inc. / Activity
Activity — NPK International Inc.
15 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 4, 2026 | Piontek Gregg Executive | Sell | Common Stock | $1.04M | -74K -7.41% | 919,326 1.08% of shares | medium |
| Mar 4, 2026 | Piontek Gregg Executive | Sell | Common Stock | $490.6K | -35K -3.81% | 884,326 1.04% of shares | medium |
| Mar 4, 2026 | Piontek Gregg Executive | Exercise | Common Stock | $317.9K | +74K +8.00% | 992,916 1.17% of shares | low |
| Mar 25, 2026 | Piontek Gregg Executive | Sell | Common Stock | $225.4K | -15K -1.70% | 869,326 1.02% of shares | medium |
| Mar 6, 2026 | Fruge Mary Celeste Executive | Sell | Common Stock | $149.3K | -11K -4.05% | 265,213 0.31% of shares | medium |
| Mar 6, 2026 | Fruge Mary Celeste Executive | Exercise | Common Stock | $48.4K | +11K +4.22% | 276,406 0.33% of shares | low |
| Feb 23, 2026 | Lewis Michael A Director | Sell | Common Stock | $28.8K | -2K -1.51% | 131,333 0.15% of shares | low |
| Mar 16, 2026 | Fruge Mary Celeste Executive | Sell | Common Stock | $13.6K | -1K -0.38% | 265,213 0.31% of shares | low |
| Mar 16, 2026 | Fruge Mary Celeste Executive | Exercise | Common Stock | $4.3K | +1K +0.38% | 266,213 0.31% of shares | low |
| May 20, 2026 | Robeson Rose M Director | Grant | Common Stock | $0 | +11K +5.07% | 225,147 0.27% of shares | low |
| Jun 1, 2025 | Fruge Mary Celeste Executive | Exercise | Common Stock | $0 | +17K +6.97% | 265,213 0.31% of shares | low |
| Mar 16, 2026 | Fruge Mary Celeste Executive | Exercise | Non-Qualified Stock Option (right to buy) | — | -1K -100.00% | 0 0.00% of shares | low |
| Mar 6, 2026 | Fruge Mary Celeste Executive | Exercise | Non-Qualified Stock Option (right to buy) | — | -11K -91.80% | 1,000 <0.01% of shares | low |
| Jun 1, 2025 | Fruge Mary Celeste Executive | Exercise | Restricted Stock Units | — | -17K -50.00% | 17,274 0.02% of shares | low |
| Mar 4, 2026 | Piontek Gregg Executive | Exercise | Non-Qualified Stock Option (right to buy) | — | -74K -100.00% | 0 0.00% of shares | low |