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 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.