Live feed18:21:39·386dINSIDERFilingvia QuantisnowPresident & CEO Lanigan Matthew converted options into 208,839 shares and covered exercise/tax liability with 104,409 shares, increasing direct ownership by 11% to 1,095,913 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPKI· NPK International Inc.Consumer DiscretionaryOriginal source