Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:8ffc95dd-d88b-8040-9b47-db1ee34d31af 2026-09-20T02:12:23-04:00 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: WARREN MATTHEW JAMES (CAO) Sold (AS) 2,991 Shares of NPK INTERNATIONAL INC for $13.41 on 9/9 urn:uuid:8b5b2b7e-1031-a513-92b4-136abbbb4885 2026-09-10T18:22:57-04:00 NPKI: WARREN MATTHEW JAMES (CAO) Filed a Form 3, Becoming a Registered Insider at NPK INTERNATIONAL INC With Initial Direct Holdings of 54,430 urn:uuid:4104e9f3-21d0-709a-03d6-8b4185d5a2fb 2026-09-08T18:49:38-04:00 NPKI: ROBESON ROSE M (DIR) Sold (AS) 10k Shares of NPK INTERNATIONAL INC for $13.49 on 8/27 urn:uuid:f0f3654c-b49d-8725-580e-7dd8be0f882d 2026-08-31T16:28:17-04:00 NPKI: LEWIS MICHAEL A (DIR) Sold (AS) 2,013 Shares of NPK INTERNATIONAL INC for $14.26 on 8/17 urn:uuid:8b23a940-be89-e8ac-cd9b-a915506c8756 2026-08-19T16:14:56-04:00 NPKI: PEDERSON KRISTEN J (DIR) Acquired (JB) 6,614 Shares of NPK INTERNATIONAL INC for $0.00 on 7/28 urn:uuid:93340cb3-e7a6-96c2-a7b3-c02c5f589200 2026-07-29T16:38:47-04:00 NPKI: PEDERSON KRISTEN J (DIR) Filed a Form 3, Becoming a Registered Insider at NPK INTERNATIONAL INC With Initial Holdings of 0 urn:uuid:4e67fb07-b449-7a46-9ea2-e015f394c1b5 2026-07-29T16:36:43-04:00 NPKI: BRIGGS LORI (VP,PR) Sold (AS) 8,325 Shares of NPK INTERNATIONAL INC for $14.75 on 6/8 urn:uuid:5438fccc-8f8e-d4ae-b5bd-623484261fdc 2026-06-09T16:20:06-04:00 NPKI: LANIGAN MATTHEW (PR,CEO,DIR) Sold (AS) 167,375 Shares of NPK INTERNATIONAL INC for $14.43 on 6/3 urn:uuid:57e5aa1e-d41f-2643-77cc-ee06aef61f0a 2026-06-05T16:22:52-04:00 NPKI: FRUGE MARY CELESTE (VP,GC) Acquired (JB) 17,274 Shares of NPK INTERNATIONAL INC for $0.00 on 6/1 urn:uuid:89e1fa11-9471-e1cb-d58a-e3fda7f04e2b 2026-06-03T18:56:29-04:00 NPKI: FRUGE MARY CELESTE (VP,GC) Disposed (JS) 15,848 Shares of NPK INTERNATIONAL INC for $14.31 on 6/1 urn:uuid:a93a10a7-550b-e417-7c96-00131d3a88b0 2026-06-03T18:56:29-04:00