| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 9/10/1996 | 9/13/1996 |
| Mercantile Bancorporation Inc. Of Iowa | Parent | 1/2/1996 | 9/9/1996 |
| Hawkeye Bancorporation | Parent | 12/31/1981 | 1/1/1996 |
| Hawkeye Bancorporation | Parent | 12/31/1980 | 12/30/1981 |
| Hawkeye Bancorporation | Parent | 12/31/1978 | 12/30/1980 |
| Hawkeye Bancorporation | Parent | 9/1/1977 | 12/30/1978 |
| Hawkeye Agricultural Credit Corporation | Subsidary | 12/31/1980 | 9/30/1987 |
| Hawkeye Agricultural Credit Corporation | Subsidary | 12/31/1978 | 12/30/1979 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Midwest | Buyer | 3,086,882 | Pooling of Interests | Discontinued | 9/14/1996 |