| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares, Inc. | Parent | 3/29/1986 | 12/29/1995 |
| Boatmen's Bancshares, Inc. | Parent | 1/31/1986 | 3/28/1986 |
| Bbi Bancshares, Inc. | Parent | 1/28/1985 | 1/30/1986 |
| Chartercorp | Parent | 12/31/1984 | 1/27/1985 |
| Chartercorp | Parent | 6/1/1983 | 12/30/1984 |
| Nevada Bancshares, Inc. | Parent | 6/30/1980 | 5/31/1983 |
| Thornton Bancshares, Inc. | Parent | 12/31/1970 | 10/22/1976 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's Osage Bank | Buyer | 121,415 | Pooling of Interests | Discontinued | 12/30/1995 |