Live feed13:53:26·483dINSIDERFilingvia QuantisnowChief Financial Officer Brown Matthew Charles sold $425,041 worth of shares (3,811 units at $111.53), decreasing direct ownership by 5% to 69,394 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ALTR· Altair Engineering Inc.TechnologyOriginal source