| Relationships | Role | Relationship Start | Relationship End |
| Westamerica Bancorporation | Parent | 8/31/1973 | 10/31/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Westamerica Bank | Buyer | 5,267,501 | Discontinued | 11/1/1985 |
| Relationships | Role | Relationship Start | Relationship End |
| Westamerica Bancorporation | Parent | 8/31/1973 | 10/31/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Westamerica Bank | Buyer | 5,267,501 | Discontinued | 11/1/1985 |