Live feed16:56:02·737dINSIDERFilingvia QuantisnowKemp Sarah E. bought $20,018 worth of shares (1,275 units at $15.70), increasing direct ownership by 28% to 5,760 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NTIC· Northern Technologies International CorporationIndustrialsOriginal source