| Relationships | Role | Relationship Start | Relationship End |
| Magna Group, Inc. | Parent | 12/23/1986 | 3/4/1988 |
| Cahokia Bancshares, Inc. | Parent | 12/31/1981 | 12/22/1986 |
| Cahokia Bancshares, Inc. | Parent | 12/31/1980 | 12/30/1981 |
| Cahokia Bancshares, Inc. | Parent | 12/31/1979 | 12/30/1980 |
| Cahokia Bancshares, Inc. | Parent | 12/23/1977 | 12/30/1979 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Columbia North Main Branch | Buyer | Discontinued | 3/5/1988 |