UMBF's most recent stock split occurred on May 31, 2006. It was a 2-for-1 split.
Total Stock Splits: 22
| Ex Date | Adjustment Factor | Split From | Split To | Split Type |
|---|---|---|---|---|
| 1973-04-27 | 1.5 | 2 | 3 | stock split |
| 1975-12-11 | 1.05 | 100 | 105 | stock dividend |
| 1977-02-14 | 1.5 | 2 | 3 | stock split |
| 1978-12-14 | 1.1 | 100 | 110 | stock dividend |
| 1979-12-14 | 1.1 | 100 | 110 | stock dividend |
| 1980-12-15 | 1.1 | 100 | 110 | stock dividend |
| 1981-12-11 | 1.15 | 100 | 115 | stock dividend |
| 1982-12-10 | 1.1 | 100 | 110 | stock dividend |
| 1983-12-12 | 1.1 | 100 | 110 | stock dividend |
| 1984-12-11 | 1.1 | 1 | 1.1 | stock dividend |
| 1985-12-13 | 1.1 | 1 | 1.1 | stock dividend |
| 1987-01-05 | 1.5 | 2 | 3 | stock split |
| 1987-12-08 | 1.05 | 1 | 1.05 | stock dividend |
| 1988-12-09 | 1.05 | 1 | 1.05 | stock dividend |
| 1991-12-09 | 1.1 | 1 | 1.1 | stock dividend |
| 1994-06-08 | 1.1 | 1 | 1.1 | stock dividend |
| 1995-12-11 | 1.1 | 1 | 1.1 | stock dividend |
| 1996-12-09 | 1.05 | 1 | 1.05 | stock dividend |
| 1997-12-09 | 1.05 | 1 | 1.05 | stock dividend |
| 1999-12-09 | 1.1 | 1 | 1.1 | stock dividend |
| 2001-12-10 | 1.05 | 1 | 1.05 | stock dividend |
| 2006-05-31 | 2 | 1 | 2 | stock split |