BIO's most recent stock split occurred on March 8, 2002. It was a 2-for-1 split.
Total Stock Splits: 4
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1985-08-01 | 1.5 | 2 | 3 | stock split |
| 1986-06-11 | 1.5 | 2 | 3 | stock split |
| 1996-06-03 | 1.5 | 2 | 3 | stock split |
| 2002-03-08 | 2 | 1 | 2 | stock split |
