Live feed17:50:16·57dINSIDERFilingvia QuantisnowSenior Vice President and CFO Piontek Gregg sold $1,528,056 worth of shares (108,590 units at $14.07) and exercised 73,590 shares at a strike of $4.32, decreasing direct ownership by 4% to 884,326 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source