Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:8ffc95dd-d88b-8040-9b47-db1ee34d31af 2026-04-08T07:35:20-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services NPKI: PIONTEK GREGG (VP,CFO) Sold (AS) 35k Shares of NPK INTERNATIONAL INC for $14.51 on 4/1 urn:uuid:dfb12ecd-f05a-7701-e671-173723ddfd03 2026-04-03T13:00:09-04:00 NPKI: PIONTEK GREGG (VP,CFO) Sold (AS) 15k Shares of NPK INTERNATIONAL INC for $15.03 on 3/25 urn:uuid:9e4f25c0-fa79-3564-8b42-87bcd782f524 2026-03-26T16:29:13-04:00 NPKI: FRUGE MARY CELESTE (VP,GC) Exercised 11,193 Options (OE) of NPK INTERNATIONAL INC for $4.32 on 3/6, and Sold Them All urn:uuid:d7c1b9c8-8a60-4419-9256-3a817f33df56 2026-03-10T16:29:24-04:00 NPKI: PIONTEK GREGG (VP,CFO) Exercised 73,590 Options (OE) of NPK INTERNATIONAL INC for $4.32 on 3/4, and Sold Them All urn:uuid:4502b7ba-4783-79ae-c08c-11893ea93602 2026-03-05T17:50:16-05:00 NPKI: LEWIS MICHAEL A (DIR) Sold (AS) 2,013 Shares of NPK INTERNATIONAL INC for $14.31 on 2/23 urn:uuid:724c704d-29a9-650f-bb3e-2345a0d448e6 2026-02-25T17:00:55-05:00 NPKI: FRUGE MARY CELESTE (VP,GC) Acquired (JB) 17,274 Shares of NPK INTERNATIONAL INC for $0.00 on 6/1 urn:uuid:307c1cf8-5fe7-599e-28ed-087121116539 2026-01-21T16:40:59-05:00 NPKI: LEWIS MICHAEL A (DIR) Sold (AS) 2,013 Shares of NPK INTERNATIONAL INC for $12.00 on 11/24 urn:uuid:bb0add4d-b782-e7b0-509c-f2ffb6b75113 2025-11-25T17:25:26-05:00 NPKI: LANIGAN MATTHEW (PR,CEO,DIR) Disposed (JS) 770,249 Shares of NPK INTERNATIONAL INC for $0.00 on 10/3 urn:uuid:eb30ac64-9c75-7448-dbd7-5cdde4e55b8f 2025-10-06T20:19:43-04:00