Live feed17:25:26·157dINSIDERFilingvia QuantisnowDirector Lewis Michael A sold $24,156 worth of shares (2,013 units at $12.00), decreasing direct ownership by 1% to 133,346 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source