MRK's most recent stock split occurred on February 17, 1999. It was a 2-for-1 split.
Total Stock Splits: 5
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1972-06-01 | 2 | 1 | 2 | stock split |
| 1986-05-27 | 2 | 1 | 2 | stock split |
| 1988-05-26 | 3 | 1 | 3 | stock split |
| 1992-05-26 | 3 | 1 | 3 | stock split |
| 1999-02-17 | 2 | 1 | 2 | stock split |
