Live feed16:05:22·400dINSIDERFilingvia QuantisnowHead of Development Singhal Priya sold $480,508 worth of shares (3,806 units at $126.25), decreasing direct ownership by 41% to 5,427 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BIIB· Biogen Inc.Health CareOriginal source