Live feed17:00:55·65dINSIDERFilingvia QuantisnowDirector Lewis Michael A sold $28,796 worth of shares (2,013 units at $14.31), decreasing direct ownership by 2% to 131,333 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source