| Relationships | Role | Relationship Start | Relationship End |
| Pinnacle Bancorp, Inc. | Parent | 8/1/1994 | 1/28/2000 |
| Nebraska Capital Corporation | Parent | 6/30/1987 | 7/31/1994 |
| Havelock Investment Company | Parent | 12/31/1970 | 9/3/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Pinnacle Bank | Buyer | 4,363,203 | Pooling of Interests | Discontinued | 1/29/2000 |
| City Bank & Trust Company Of Lincoln | Seller | 19,686 | Discontinued | 12/31/1985 |