Live feed17:02:12·1833dINSIDERFilingvia QuantisnowSEC Form 4: Armitage Richard L sold $345,200 worth of Class A Common Stock (4,000 units at $86.30), decreasing direct ownership by 50% to 4,000 unitsByQuantisnow·Wall Street's wire, on your screen.MANT· ManTech International CorporationTechnologyOriginal source