| Relationships | Role | Relationship Start | Relationship End |
| Mark Twain Bancshares, Inc. | Parent | 7/1/1994 | 7/1/1996 |
| Mark Twain Bank | Parent | 6/30/1990 | 6/30/1994 |
| Mark Twain Bancshares, Inc. | Parent | 2/2/1976 | 6/29/1990 |
| Relationships | Role | Relationship Start | Relationship End |
| Mark Twain Bancshares, Inc. | Parent | 7/1/1994 | 7/1/1996 |
| Mark Twain Bank | Parent | 6/30/1990 | 6/30/1994 |
| Mark Twain Bancshares, Inc. | Parent | 2/2/1976 | 6/29/1990 |