| Relationships | Role | Relationship Start | Relationship End |
| Pinnacle Bancorp, Inc. | Parent | 7/1/1993 | 12/15/2000 |
| Colorado National Bankshares, Inc. | Parent | 5/28/1993 | 6/30/1993 |
| Colorado National Bankshares, Inc. | Parent | 11/15/1979 | 5/27/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank Of Colorado | Buyer | 3,203,351 | Pooling of Interests | Discontinued | 12/16/2000 |
| Bank Of Colorado - Western Slope - Glenwood Springs | Seller | 43,910 | Discontinued | 7/30/1993 |