| Relationships | Role | Relationship Start | Relationship End |
| Hawkeye Bancorporation | Parent | 7/12/1972 | 12/31/1986 |
| Stephens Industries, Inc. | Parent | 12/31/1970 | 7/11/1972 |
| Twenty Fourth Street Corporation | Subsidary | 12/31/1976 | 1/1/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Midwest | Buyer | 3,086,882 | Discontinued | 1/1/1987 | |
| Twenty Fourth Street Corporation | Seller | Discontinued | 1/2/1981 |