Matthew S. Lanigan's most recent trade in NPK International Inc. was a trade of 1,000 Non-Qualified Stock Option (right to buy) done . Disclosure was reported to the exchange on Sept. 3, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 03 Sep 2025 | 1,000 | 0 | - | - | Non-Qualified Stock Option (right to buy) | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Sale of securities on an exchange or to another person at price $ 10.38 per share. | 03 Sep 2025 | 1,000 | 1,095,913 (1%) | 0% | 10.4 | 10,380 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 4.32 per share. | 03 Sep 2025 | 1,000 | 1,096,913 (1%) | 0% | 4.3 | 4,320 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 22 Aug 2025 | 68,896 | 1,000 | - | - | Non-Qualified Stock Option (right to buy) | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Sale of securities on an exchange or to another person at price $ 10.34 per share. | 22 Aug 2025 | 68,896 | 1,095,913 (1%) | 0% | 10.3 | 712,536 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 4.32 per share. | 22 Aug 2025 | 68,896 | 1,164,809 (1%) | 0% | 4.3 | 297,631 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2025 | 108,651 | 200,376 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2025 | 108,651 | 1,100,134 (1%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2025 | 100,188 | 100,188 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2025 | 100,188 | 1,200,322 (1%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.09 per share. | 01 Jun 2025 | 42,754 | 1,095,913 (1%) | 0% | 8.1 | 345,880 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.09 per share. | 01 Jun 2025 | 39,423 | 1,138,667 (1%) | 0% | 8.1 | 318,932 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.09 per share. | 01 Jun 2025 | 22,232 | 1,178,090 (1%) | 0% | 8.1 | 179,857 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 May 2025 | 212,667 | 991,483 (1%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2024 | 33,333 | 791,932 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2024 | 33,333 | 309,027 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.23 per share. | 01 Sep 2024 | 13,116 | 778,816 (0%) | 0% | 8.2 | 107,945 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2024 | 108,651 | 755,182 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2024 | 108,651 | 442,549 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2024 | 100,189 | 342,360 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2024 | 100,189 | 855,371 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.48 per share. | 01 Jun 2024 | 42,754 | 773,193 (0%) | 0% | 8.5 | 362,554 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.48 per share. | 01 Jun 2024 | 39,424 | 815,947 (0%) | 0% | 8.5 | 334,316 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2024 | 37,090 | 646,531 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2024 | 37,090 | 551,200 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.48 per share. | 01 Jun 2024 | 14,594 | 758,599 (0%) | 0% | 8.5 | 123,757 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 May 2024 | 169,496 | 609,441 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2023 | 33,333 | 453,061 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2023 | 33,333 | 588,290 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 6.13 per share. | 01 Sep 2023 | 13,116 | 439,945 (0%) | 0% | 6.1 | 80,401 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2023 | 108,652 | 419,138 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2023 | 108,652 | 693,086 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.67 per share. | 01 Jun 2023 | 42,754 | 376,384 (0%) | 0% | 3.7 | 156,907 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2023 | 37,090 | 434,322 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2023 | 37,090 | 621,623 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2023 | 34,373 | 410,757 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2023 | 34,373 | 658,713 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.67 per share. | 01 Jun 2023 | 14,594 | 419,728 (0%) | 0% | 3.7 | 53,560 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.67 per share. | 01 Jun 2023 | 13,525 | 397,232 (0%) | 0% | 3.7 | 49,637 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 May 2023 | 300,565 | 801,738 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2022 | 33,334 | 501,173 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2022 | 33,334 | 310,486 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Purchase of securities on an exchange or from another person at price $ 2.55 per share. | 05 Aug 2022 | 19,000 | 277,152 (0%) | 0% | 2.5 | 48,435 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 37,090 | 272,746 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 37,090 | 534,507 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 34,374 | 249,182 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 34,374 | 571,597 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 25,000 | 214,494 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 25,000 | 622,708 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 16,737 | 221,394 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2022 | 16,737 | 605,971 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.48 per share. | 01 Jun 2022 | 14,594 | 258,152 (0%) | 0% | 4.5 | 65,381 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.48 per share. | 01 Jun 2022 | 13,526 | 235,656 (0%) | 0% | 4.5 | 60,596 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.48 per share. | 01 Jun 2022 | 9,837 | 204,657 (0%) | 0% | 4.5 | 44,070 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.48 per share. | 01 Jun 2022 | 6,586 | 214,808 (0%) | 0% | 4.5 | 29,505 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 May 2022 | 325,954 | 647,708 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | President & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Sep 2021 | 100,000 | 321,754 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2021 | 34,374 | 187,178 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2021 | 34,374 | 136,603 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2021 | 16,737 | 119,866 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2021 | 16,737 | 190,389 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.51 per share. | 01 Jun 2021 | 13,526 | 173,652 (0%) | 0% | 3.5 | 47,476 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2021 | 9,382 | 110,484 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Jun 2021 | 9,382 | 193,185 (0%) | 0% | 0 | Common Stock | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.51 per share. | 01 Jun 2021 | 6,586 | 183,803 (0%) | 0% | 3.5 | 23,117 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Payment of exercise price or tax liability using portion of securities received from the company at price $ 3.51 per share. | 01 Jun 2021 | 3,691 | 189,494 (0%) | 0% | 3.5 | 12,955 | Common Stock |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 May 2021 | 111,270 | 282,247 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 May 2021 | 6,410 | 170,977 | - | - | Restricted Stock Units | |
| NPK International Inc | Matthew S. Lanigan | VP and President of | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 May 2021 | 6,410 | 152,804 (0%) | 0% | 0 | Common Stock |