Live feed17:26:36·277dINSIDERFilingvia QuantisnowDirector Nigon Richard exercised 12,000 shares at a strike of $7.43 and covered exercise/tax liability with 10,873 shares, increasing direct ownership by 3% to 39,062 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NTIC· Northern Technologies International CorporationIndustrialsOriginal source