IBM's most recent stock split occurred on May 27, 1999. It was a 2-for-1 split.
Total Stock Splits: 4
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1973-05-29 | 1.25 | 4 | 5 | stock split |
| 1979-06-01 | 4 | 1 | 4 | stock split |
| 1997-05-28 | 2 | 1 | 2 | stock split |
| 1999-05-27 | 2 | 1 | 2 | stock split |
