| Relationships | Role | Relationship Start | Relationship End |
| Security Bancorp, Inc. | Parent | 3/31/1983 | 3/19/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Of America Bank-Security | Buyer | 1,947,530 | Discontinued | 3/20/1993 | |
| Security Bank - Monroe County | Seller | 23,701 | Discontinued | 10/1/1983 | |
| Peoples State Bank Of Maybee | Seller | Discontinued | 11/3/1969 |