AMGN's most recent stock split occurred on November 22, 1999. It was a 2-for-1 split.
Total Stock Splits: 5
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1990-08-13 | 2 | 1 | 2 | stock split |
| 1991-09-11 | 3 | 1 | 3 | stock split |
| 1995-08-16 | 2 | 1 | 2 | stock split |
| 1999-03-01 | 2 | 1 | 2 | stock split |
| 1999-11-22 | 2 | 1 | 2 | stock split |
