| Relationships | Role | Relationship Start | Relationship End |
| Pinnacle Bancorp, Inc. | Parent | 7/1/1993 | 7/29/1993 |
| Colorado National Bankshares, Inc. | Parent | 5/28/1993 | 6/30/1993 |
| Colorado National Bankshares, Inc. | Parent | 3/18/1971 | 5/27/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank Of Colorado - Western Slope | Buyer | 168,466 | Discontinued | 7/30/1993 |