HES's most recent stock split occurred on June 1, 2006. It was a 3-for-1 split.
Total Stock Splits: 11
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1971-06-08 | 1.02459 | 1 | 1.0246 | stock split |
| 1972-06-12 | 1.02459 | 1 | 1.0246 | stock split |
| 1973-06-11 | 1.02459 | 1 | 1.0246 | stock split |
| 1974-06-10 | 1.02459 | 1 | 1.0246 | stock split |
| 1975-06-05 | 1.02459 | 1 | 1.0246 | stock split |
| 1976-06-07 | 1.02459 | 1 | 1.0246 | stock split |
| 1977-07-25 | 1.02459 | 1 | 1.0246 | stock split |
| 1978-07-25 | 1.02459 | 1 | 1.0246 | stock split |
| 1979-06-11 | 1.02459 | 1 | 1.0246 | stock split |
| 1980-08-29 | 2 | 1 | 2 | stock split |
| 2006-06-01 | 3 | 1 | 3 | stock split |
