Biogen | 4: Statement of changes in beneficial ownership of securities-Officer Singhal Priya
Biogen | 4: Statement of changes in beneficial ownership of securities-Officer Kramer Robin
Biogen | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-The Vanguard Group(11.44%)
Biogen | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Biogen Inc.(4.97%),Biogen MA Inc.(4.97%)
Biogen | 4: Statement of changes in beneficial ownership of securities-Officer ALEXANDER SUSAN H
Biogen | 4: Statement of changes in beneficial ownership of securities-Officer Grogan Jane
Biogen | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-The Vanguard Group(11.44%)
Biogen | SC 13G: Statement of acquisition of beneficial ownership by individuals-STATE STREET CORPORATION :(5.0%)
Biogen | 3: Initial statement of beneficial ownership of securities-Director Minor Lloyd
Biogen | 4: Statement of changes in beneficial ownership of securities-Officer Singhal Priya
Biogen | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Biogen Inc.(1.6%),Biogen MA Inc.(1.6%)
Biogen | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-BlackRock, Inc.(10.1%)
Biogen | 4: Statement of changes in beneficial ownership of securities-Director SHERWIN STEPHEN A
Biogen | 4: Statement of changes in beneficial ownership of securities-Director Rowinsky Eric K
Biogen | 4: Statement of changes in beneficial ownership of securities-Director Mantas Jesus B
Biogen | 4: Statement of changes in beneficial ownership of securities-Director LANGER SUSAN
Biogen | 4: Statement of changes in beneficial ownership of securities-Director Patolawala Monish D
Biogen | 4: Statement of changes in beneficial ownership of securities-Director Freire Maria C
Biogen | 4: Statement of changes in beneficial ownership of securities-Director HAWKINS WILLIAM A
Biogen | 4: Statement of changes in beneficial ownership of securities-Director DORSA CAROLINE