Split history for Biogen
Biogen has split the face value 2 times since Dec. 21, 1999. Biogen had last split the face value of its shares from $3 to $1 in 2001.The share has been quoting on an ex-split basis from Jan. 18, 2001.
| Split Date | Split Ratio |
|---|---|
| 18 Jan 2001 | 3:1 Stock split |
| 21 Dec 1999 | 2:1 Stock split |