| Relationships | Role | Relationship Start | Relationship End |
| Society Bancorp Of Michigan, Inc. | Parent | 3/31/1987 | 9/9/1990 |
| Commercial Bankshares Corp. | Parent | 12/31/1976 | 3/30/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Keybank National Association | Buyer | 4,542,217 | Discontinued | 9/10/1990 | |
| The Jipson-Carter State Bank | Seller | 29,971 | Discontinued | 5/16/1988 | |
| Financial Properties Inc | Seller | Discontinued | 1/1/1981 |