| Relationships | Role | Relationship Start | Relationship End |
| Pinnacle Bancorp, Inc. | Parent | 7/2/1993 | 9/22/2000 |
| Anmer Corporation | Parent | 10/12/1988 | 7/1/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Pinnacle Bank | Buyer | 4,363,203 | Pooling of Interests | Discontinued | 9/23/2000 |
| Heritage Federal Savings Bank Of Omaha | Seller | 137,017 | Failure | 12/1/1990 | |
| State Savings Company Of Schuyler | Seller | 4,467 | Discontinued | 1/1/1988 |