Live feed16:23:05·988dINSIDERFilingvia QuantisnowSEC Form 4: Calderon Nancy E. bought $6,585 worth of shares (500 units at $13.17), increasing direct ownership by 20% to 3,062 unitsByQuantisnow·Wall Street's wire, on your screen.NTIC· Northern Technologies International CorporationIndustrialsOriginal source
