Live feed16:12:56·227dINSIDERFilingvia QuantisnowHead of Research Grogan Jane converted options into 695 shares and covered exercise/tax liability with 337 shares, increasing direct ownership by 25% to 1,791 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BIIB· Biogen Inc.Health CareOriginal source