Live feed12:14:54·478dINSIDERFilingvia QuantisnowChief Marketing Officer Messano Amy sold $28,420 worth of shares (255 units at $111.45), decreasing direct ownership by 1% to 23,396 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ALTR· Altair Engineering Inc.TechnologyOriginal source