| Relationships | Role | Relationship Start | Relationship End |
| Sturm Investment, Inc. | Parent | 6/29/1984 | 6/30/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Midamerica National Bank | Buyer | 344,208 | Pooling of Interests | Discontinued | 7/1/1997 |
| Midwestern Savings Association | Seller | 77,807 | Failure | 6/23/1990 | |
| First National Bank Of Macomb | Seller | 9,984 | Discontinued | 12/28/1986 |