| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares, Inc. | Parent | 3/29/1986 | 12/8/1991 |
| Boatmen's Bancshares, Inc. | Parent | 12/31/1983 | 3/28/1986 |
| Boatmen's Bancshares, Inc. | Parent | 9/1/1981 | 12/30/1983 |
| First Financial Bancshares, Inc. | Parent | 12/31/1979 | 8/31/1981 |
| First Financial Bancshares, Inc. | Parent | 12/20/1978 | 12/30/1979 |
| Mountain Grove Bankshares, Inc. | Parent | 9/3/1976 | 12/19/1978 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's Bank Of Southern Missouri | Buyer | 1,297,761 | Discontinued | 12/9/1991 |