Live feed17:22:20·302dINSIDERFilingvia QuantisnowDirector Lewis Michael A sold $20,797 worth of shares (2,013 units at $10.33), decreasing direct ownership by 1% to 135,359 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source