Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-04-09 Sale | 2026-04-10 5:51 pm | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 15,000 | $15.04 | $225,675 | 884,326 (Indirect Direct) | View |
| 2026-04-01 Sale | 2026-04-03 1:00 pm | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 35,000 | $14.51 | $507,864 | 899,326 (Indirect Direct) | View |
| 2026-03-25 Sale | 2026-03-26 4:29 pm | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 15,000 | $15.03 | $225,384 | 934,326 (Indirect Direct) | View |
| 2026-03-04 Sale | 2026-03-05 5:50 pm | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 108,590 | $14.07 | $1,528,056 | 949,326 (Indirect Direct) | View |
| 2022-08-05 Purchase | 2022-08-09 5:26 pm | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 10,000 | $2.5487 | $25,487 | 586,850 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-01 Exercise | 2026-06-03 6:53 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 40,379 | $0 | 923,182 (Direct) | View |
| 2026-06-01 Tax Withholding | 2026-06-03 6:53 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 36,089 | $14.31 | 923,182 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 5:08 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 34,566 | $0 | 918,892 (Direct) | View |
| 2026-03-04 Exercise | 2026-03-05 5:50 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 73,590 | $4.32 | 949,326 (Direct) | View |
| 2026-03-04 Exercise | 2026-03-05 5:50 pm | 2019-06-01 2026-05-19 | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 73,590 | $0 | 949,326 (Direct) | View |
| 2025-06-01 Exercise | 2025-06-03 6:21 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 84,169 | $0 | 1,105,463 (Direct) | View |
| 2025-06-01 Tax Withholding | 2025-06-03 6:21 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 42,079 | $8.09 | 1,105,463 (Direct) | View |
| 2025-05-14 Option Award | 2025-05-16 4:36 pm | N/A N/A | NPK International Inc. | NPKI | Piontek Gregg Senior Vice President and CFO | 85,706 | $0 | 942,236 (Direct) | View |
| 2024-06-01 Tax Withholding | 2024-06-04 6:33 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 53,259 | $8.48 | 1,354,724 (Direct) | View |
| 2024-06-01 Exercise | 2024-06-04 6:33 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 135,351 | $0 | 1,354,724 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 5:21 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 68,308 | $0 | 774,438 (Direct) | View |
| 2023-06-01 Tax Withholding | 2023-06-05 8:09 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 23,125 | $3.67 | 1,635,623 (Direct) | View |
| 2023-06-01 Exercise | 2023-06-05 8:09 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 142,405 | $0 | 1,635,623 (Direct) | View |
| 2023-05-18 Option Award | 2023-05-22 7:31 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 121,138 | $0 | 402,304 (Direct) | View |
| 2022-06-01 Tax Withholding | 2022-06-03 7:45 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 67,567 | $4.48 | 1,973,022 (Direct) | View |
| 2022-06-01 Exercise | 2022-06-03 7:45 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 171,711 | $0 | 1,973,022 (Direct) | View |
| 2022-05-19 Option Award(A) | 2022-05-24 6:58 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 131,371 | $0 | 452,877 (Direct) | View |
| 2022-05-19 Option Award | 2022-05-20 4:25 pm | N/A N/A | NEWPARK RESOURCES INC | NR | Piontek Gregg Senior Vice President and CFO | 132,090 | $0 | 453,596 (Direct) | View |