Live feed17:06:49·134dINSIDERFilingvia QuantisnowPresident and CEO Viehbacher Christopher converted options into 24,461 shares and covered exercise/tax liability with 10,980 shares, increasing direct ownership by 82% to 29,924 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BIIB· Biogen Inc.Health CareOriginal source