Live feed16:42:56·202dINSIDERFilingvia QuantisnowPresident and CEO Viehbacher Christopher converted options into 7,040 shares and covered exercise/tax liability with 3,404 shares, increasing direct ownership by 28% to 16,443 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BIIB· Biogen Inc.Health CareOriginal source