| Relationships | Role | Relationship Start | Relationship End |
| Colorado National Bankshares, Inc. | Parent | 1/29/1982 | 12/15/1991 |
| Mountain Banks, Ltd. | Parent | 5/1/1973 | 1/28/1982 |
| Boulder National Corporation | Parent | 12/31/1970 | 4/30/1973 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Colorado National Bank | Buyer | 6,885,864 | Discontinued | 12/16/1991 |