Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:8ffc95dd-d88b-8040-9b47-db1ee34d31af 2026-06-06T11:16:37-04:00 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: 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 NPKI: LANIGAN MATTHEW (PR,CEO,DIR) Acquired (JB) 100,188 Shares of NPK INTERNATIONAL INC for $0.00 on 6/1 urn:uuid:5c41ae72-dd5e-e314-a4ab-ca378c9bffe9 2026-06-03T18:55:00-04:00 NPKI: LANIGAN MATTHEW (PR,CEO,DIR) Disposed (JS) 89,549 Shares of NPK INTERNATIONAL INC for $14.31 on 6/1 urn:uuid:1d0bb836-bfdb-f30e-3f9f-a6a070567686 2026-06-03T18:55:00-04:00 NPKI: PIONTEK GREGG (VP,CFO) Acquired (JB) 40,379 Shares of NPK INTERNATIONAL INC for $0.00 on 6/1 urn:uuid:58e956b4-4228-fccc-3d82-fbcd265430b9 2026-06-03T18:53:29-04:00 NPKI: PIONTEK GREGG (VP,CFO) Disposed (JS) 36,089 Shares of NPK INTERNATIONAL INC for $14.31 on 6/1 urn:uuid:03837ede-5df0-cbb3-f7b8-45606683f3d0 2026-06-03T18:53:29-04:00 NPKI: BRIGGS LORI (VP,PR) Sold (AS) 10,446 Shares of NPK INTERNATIONAL INC for $14.58 on 6/2 urn:uuid:4dab4b2c-3947-0afc-93b1-a01d4d552d12 2026-06-03T18:51:45-04:00 NPKI: BRIGGS LORI (VP,PR) Acquired (JB) 24,340 Shares of NPK INTERNATIONAL INC for $0.00 on 6/1 urn:uuid:e8ea2172-623a-ec93-0873-43ebf4765847 2026-06-03T18:51:45-04:00 NPKI: BRIGGS LORI (VP,PR) Disposed (JS) 21,755 Shares of NPK INTERNATIONAL INC for $14.31 on 6/1 urn:uuid:2385f801-7c48-e131-824f-488e44849fc9 2026-06-03T18:51:45-04:00