Live feed12:54:55·1330dINSIDERFilingvia QuantisnowSEC Form 4: Favre Ritu sold $54,865 worth of shares (1,437 units at $38.18), decreasing direct ownership by 4% to 38,465 units (for tax liability)ByQuantisnow·Wall Street's wire, on your screen.NATI· National Instruments CorporationTechnologyOriginal source