| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 9/10/1996 | 10/3/1997 |
| Mercantile Bancorporation Inc. Of Iowa | Parent | 1/2/1996 | 9/9/1996 |
| Hawkeye Bancorporation | Parent | 5/4/1993 | 1/1/1996 |
| First Dubuque Corp. | Parent | 12/16/1985 | 5/3/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Of Eastern Iowa | Buyer | 1,498,426 | Pooling of Interests | Discontinued | 10/4/1997 |
| Andrew Savings Bank | Seller | 31,347 | Discontinued | 10/17/1992 | |
| Statesman Federal Savings Bank | Seller | 422,121 | Failure | 3/2/1991 |