| Relationships | Role | Relationship Start | Relationship End |
| Landmark Bancshares Corporation | Parent | 12/31/1976 | 2/28/1985 |
| Landmark Bancshares Corporation | Parent | 11/30/1973 | 12/30/1976 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Belleville Branch | Buyer | Discontinued | 3/1/1985 | ||
| Landmark Central Bank & Trust Company | Seller | 59,458 | Discontinued | 4/8/1983 |