Matthew Lanigan insider trades

Open-market stock purchases and sales by Matthew Lanigan, President & CEO at NPK International Inc, from SEC Form 4 filings since Apr 22, 2016.

Recent trades

DateStockTradeValue
Jun 3, 2026NPKI NPK International IncSold$2.4M
Jun 1, 2026NPKI NPK International IncSold (not open market)$564K
Jun 1, 2026NPKI NPK International IncSold (not open market)$318K
Jun 1, 2026NPKI NPK International IncBought (not open market)—
Jun 1, 2026NPKI NPK International IncSold (not open market)$399K
May 19, 2026NPKI NPK International IncBought (not open market)—
Oct 3, 2025NPKI NPK International IncSold (not open market)—

Companies traded

  • NPKI NPK International Inc: 3 sales, last Jun 3, 2026
  • NR Newpark Resources Inc: 1 buy, 3 sales, last Sep 1, 2024

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