| Relationships | Role | Relationship Start | Relationship End |
| Cobiz Financial, Inc. | Parent | 4/16/1984 | 12/28/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Cobiz Bank | Buyer | 3,419,427 | Pooling of Interests | Discontinued | 12/29/1997 |
| Citizens Bank Littleton | Seller | 6,365 | Failure | 9/16/1988 |