Live feed18:21:08·384dINSIDERFilingvia QuantisnowVP, General Counsel Fruge Mary Celeste converted options into 17,247 shares and covered exercise/tax liability with 17,450 shares, decreasing direct ownership by 0.08% to 265,186 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source