ADP's most recent stock split occurred on January 4, 1999. It was a 2-for-1 split.
Total Stock Splits: 6
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1976-07-02 | 2 | 1 | 2 | stock split |
| 1981-05-22 | 2 | 1 | 2 | stock split |
| 1986-06-09 | 2 | 1 | 2 | stock split |
| 1991-05-01 | 2 | 1 | 2 | stock split |
| 1996-01-02 | 2 | 1 | 2 | stock split |
| 1999-01-04 | 2 | 1 | 2 | stock split |