| Relationships | Role | Relationship Start | Relationship End |
| Hawkeye Bancorporation | Parent | 10/2/1973 | 6/30/1987 |
| Grundy Investment Company | Parent | 12/31/1970 | 9/30/1973 |
| Hawkeye Agricultural Credit Corporation | Subsidary | 12/31/1980 | 6/30/1987 |
| Hawkeye Agricultural Credit Corporation | Subsidary | 12/31/1976 | 12/30/1979 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Gnb Bank | Buyer | 524,679 | Discontinued | 7/1/1987 |