Biogen (BIIB) split history
From Dec 21, 1999 to Jan 18, 2001 Biogen (BIIB) made 2 splits.
The latest split occurred on Jan 18, 2001.
One BIIB share at Dec 21, 1999 is equal to 6 shares today.
| Date | Split | Multiple |
|---|---|---|
| Jan 18, 2001 | 3:1 | x3 |
| Dec 21, 1999 | 2:1 | x2 |