LANIGAN MATTHEW Insider Trading -- Recent SEC Form 4 Transactions

LANIGAN MATTHEW (CIK 1672978) reported 17 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-05). Recent activity: Sell NPKI (167,375 shares), Sell NPKI (22,232 shares), Sell NPKI (27,894 shares), Sell NPKI (39,423 shares), Buy NPKI (100,188 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-06-05NPK International Inc. (NPKI)President & CEOSell167,375$2.4M
2026-06-03NPK International Inc. (NPKI)President & CEOSell22,232$318,140
2026-06-03NPK International Inc. (NPKI)President & CEOSell27,894$399,163
2026-06-03NPK International Inc. (NPKI)President & CEOSell39,423$564,143
2026-06-03NPK International Inc. (NPKI)President & CEOBuy100,188$0
2026-05-21NPK International Inc. (NPKI)President & CEOBuy85,771$0
2025-10-06NPK International Inc. (NPKI)President & CEOSell770,249$0
2025-09-04NPK International Inc. (NPKI)President & CEOBuy1,000$4,320
2025-09-04NPK International Inc. (NPKI)President & CEOSell1,000$10,380
2025-08-26NPK International Inc. (NPKI)President & CEOBuy68,896$297,631
2025-08-26NPK International Inc. (NPKI)President & CEOSell68,896$712,385
2025-06-03NPK International Inc. (NPKI)President & CEOBuy108,651$0
2025-06-03NPK International Inc. (NPKI)President & CEOBuy100,188$0
2025-06-03NPK International Inc. (NPKI)President & CEOSell22,232$179,857
2025-06-03NPK International Inc. (NPKI)President & CEOSell39,423$318,932
2025-06-03NPK International Inc. (NPKI)President & CEOSell42,754$345,880
2025-05-16NPK International Inc. (NPKI)President & CEOBuy212,667$0

Source: SEC Form 4 filings · as of 2026-06-05