| Date | Event |
| 19-Nov-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Other Events |
| 30-Oct-09 | WESTAMERICA BANCORPORATION Files SEC form 10-Q, Quarterly Report |
| 29-Oct-09 | Ex-Date for dividend payment of $0.35 |
| 19-Oct-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Results of Operations and Financial Condition |
| 2-Sep-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Other Events |
| 30-Jul-09 | Ex-Date for dividend payment of $0.35 |
| 27-Jul-09 | WESTAMERICA BANCORPORATION Files SEC form 10-Q, Quarterly Report |
| 23-Jul-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Other Events |
| 15-Jul-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Results of Operations and Financial Condition |
| 1-Jul-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Other Events |
| 8-May-09 | WESTAMERICA BANCORPORATION Files SEC form 10-Q, Quarterly Report |
| 24-Apr-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Other Events |
| 22-Apr-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Results of Operations and Financial Condition |
| 6-Mar-09 | Price hit new 52-week low ($33.08) |
| 5-Mar-09 | Price hit new 52-week low ($35.05) |
| 3-Mar-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Results of Operations and Financial Condition, Amendments to Articles |
| 27-Feb-09 | WESTAMERICA BANCORPORATION Files SEC form 10-K, Annual Report |
| 19-Feb-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Entry into a Material Definitive Agreement, Change in Directors or Pri |
| 13-Feb-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year |
| 11-Feb-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Completion of Acquisition or Disposition of Assets |
| 23-Jan-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Other Events |
| 16-Jan-09 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Results of Operations and Financial Condition |
| 23-Dec-08 | WESTAMERICA BANCORPORATION Files SEC form 8-K, Results of Operations and Financial Condition |