| Relationships | Role | Relationship Start | Relationship End |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Commonwealth National Bank | Buyer | Discontinued | 7/27/1968 | ||
| Mount Diablo First National Bank, The | Seller | Discontinued | 4/30/1966 |
| Relationships | Role | Relationship Start | Relationship End |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Commonwealth National Bank | Buyer | Discontinued | 7/27/1968 | ||
| Mount Diablo First National Bank, The | Seller | Discontinued | 4/30/1966 |