| Relationships | Role | Relationship Start | Relationship End |
| Security State Bancshares, Inc. | Parent | 11/19/1997 | 6/25/2000 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Security State Bank Of Southeast Missouri | Buyer | 62,480 | Pooling of Interests | Discontinued | 6/26/2000 |
| Cardwell State Bank | Seller | 6,206 | Failure | 8/29/1985 |