Live feed16:40:59·95dINSIDERFilingvia QuantisnowAmendment: VP, General Counsel Fruge Mary Celeste converted options into 17,274 shares, increasing direct ownership by 7% to 265,213 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source