| Relationships | Role | Relationship Start | Relationship End |
| Mark Twain Bancshares, Inc. | Parent | 8/12/1994 | 9/11/1994 |
| C.B. Bancshares, Inc. | Parent | 9/28/1990 | 8/11/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mark Twain Bank | Buyer | 2,182,610 | Discontinued | 9/12/1994 |