| Relationships | Role | Relationship Start | Relationship End |
| Security Bank Of Kansas City | Parent | 5/20/1989 | 2/12/1991 |
| Rupp Bancshares, Inc. | Parent | 12/31/1985 | 5/19/1989 |
| Rupp Bancshares, Inc. | Parent | 9/21/1981 | 12/30/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Sunflower Bank, National Association | Buyer | 1,858,499 | Discontinued | 2/13/1991 |