Company · CIK 0000071829 · SIC 7350 — Services-Miscellaneous Equipment Rental & Leasing · NYSE
NPK International Inc. · NPKI
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 2026 AForm 4 → | Sep 24, 4:11 pm EDT | III Alvin James BartonEVP Commercial Growth & Ops. | 12,850 | — | — | 12,850 | — | |
| Sep 9, 2026 SForm 4 → | Sep 10, 6:22 pm EDT | Matthew James WarrenChief Accounting Officer | 2,991 | $13.41 | $40,113 | 51,439 | −5.50% | 10b5-1 |
| Aug 27, 2026 SForm 4 → | Aug 31, 4:28 pm EDT | Rose M RobesonDirector | 10,000 | $13.49 | $134,917 | 215,147 | −4.44% | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 19, 4:14 pm EDT | Michael A LewisDirector | 2,013 | $14.26 | $28,705 | 135,865 | −1.46% | 10b5-1 |
| Jul 28, 2026 AForm 4 → | Jul 29, 4:38 pm EDT | Kristen J. PedersonDirector | 6,614 | — | — | 6,614 | — | |
| Jun 8, 2026 SForm 4 → | Jun 9, 4:20 pm EDT | Lori BriggsVP & President, Ind. Solutions | 8,325 | $14.75 | $122,790 | 247,165 | −3.26% | 10b5-1 |
| Jun 3, 2026 SForm 4 → | Jun 5, 4:22 pm EDT | Matthew LaniganPresident & CEO, Director | 167,375 | $14.43 | $2,415,907 | 254,699 | −39.7% | 10b5-1 |
| Jun 2, 2026 SForm 4 → | Jun 3, 6:51 pm EDT | Lori BriggsVP & President, Ind. Solutions | 10,446 | $14.58 | $152,278 | 255,490 | −3.93% | 10b5-1 |
| Jun 1, 2026 FMForm 4 → | Jun 3, 6:56 pm EDT | Mary Celeste FrugeVP, General Counsel | 33,122 | $14.31 | $226,785 | 284,641 | — | |
| Jun 1, 2026 FMForm 4 → | Jun 3, 6:55 pm EDT | Matthew LaniganPresident & CEO, Director | 189,737 | $14.31 | $1,281,446 | 422,074 | — | |
| Jun 1, 2026 FMForm 4 → | Jun 3, 6:53 pm EDT | Gregg PiontekSenior Vice President and CFO | 76,468 | $14.31 | $516,434 | 858,182 | — | |
| Jun 1, 2026 FMForm 4 → | Jun 3, 6:51 pm EDT | Lori BriggsVP & President, Ind. Solutions | 46,095 | $14.31 | $311,314 | 265,936 | — | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 MForm 4 → | Jun 3, 6:56 pm EDT | Mary Celeste FrugeVP, General Counsel | 17,274 | — | — | 0 | — | |
| Jun 1, 2026 MForm 4 → | Jun 3, 6:55 pm EDT | Matthew LaniganPresident & CEO, Director | 100,188 | — | — | 0 | — | |
| Jun 1, 2026 MForm 4 → | Jun 3, 6:53 pm EDT | Gregg PiontekSenior Vice President and CFO | 40,379 | — | — | 0 | — | |
| Jun 1, 2026 MForm 4 → | Jun 3, 6:51 pm EDT | Lori BriggsVP & President, Ind. Solutions | 24,340 | — | — | 0 | — | 10b5-1 |