| Relationships | Role | Relationship Start | Relationship End |
| Mercantile Bank Of Poplar Bluff | Parent | 5/16/1986 | 3/21/1990 |
| Mercantile Bank Of St. Louis National Association | Parent | 5/16/1986 | 3/21/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Community Bank, Missouri | Buyer | 277,333 | Discontinued | 8/20/1990 |