Live feed15:14:43·1512dINSIDERFilingvia QuantisnowSEC Form 4: Fettweis Gerhard Paul sold $17,745 worth of shares (491 units at $36.14), decreasing direct ownership by 2% to 29,076 units (tax withholding)ByQuantisnow·Wall Street's wire, on your screen.NATI· National Instruments CorporationTechnologyOriginal source