USB's most recent stock split occurred on April 16, 1999. It was a 3-for-1 split.
Total Stock Splits: 6
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1979-02-22 | 1.25 | 4 | 5 | stock split |
| 1984-06-25 | 1.1 | 100 | 110 | stock dividend |
| 1985-04-16 | 2 | 1 | 2 | stock split |
| 1989-04-17 | 2 | 1 | 2 | stock split |
| 1997-01-16 | 3 | 1 | 3 | stock split |
| 1999-04-16 | 3 | 1 | 3 | stock split |
