| Relationships | Role | Relationship Start | Relationship End |
| Magna Bank, National Association | Parent | 11/17/1995 | 12/3/1995 |
| Belleville Branch | Parent | 1/1/1981 | 11/16/1995 |
| Magna Bank Of St. Charles County, St. Charles, Mo. | Parent | 1/1/1981 | 12/26/1989 |
| Landmark Bancshares Corporation | Parent | 1/1/1981 | 12/26/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Landmark Commercial Corporation | Buyer | Discontinued | 12/4/1995 |