Live feed18:21:43·637dINSIDERFilingvia QuantisnowDirector Nigon Richard exercised 12,000 shares at a strike of $10.05 and covered exercise/tax liability with 7,665 shares, increasing direct ownership by 13% to 37,935 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NTIC· Northern Technologies International CorporationIndustrialsOriginal source