Live feed17:31:58·474dINSIDERFilingvia QuantisnowDirector Minge John C bought $53,800 worth of shares (10,000 units at $5.38), increasing direct ownership by 5% to 230,287 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source