Company:  WESTAMERICA BANCORPORATIO ... (WABC)
Form Type:  8-K
Filing Date:  1/26/2012 
CIK:  0000311094 
Address:  1108 FIFTH AVE 
City, State, Zip:  SAN RAFAEL, California 94901 
Telephone:  (707) 863-6000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$45.07  
Change: 
-0.40 (-0.88%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$1.22B
Description of Business
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  FORM 8-K
    SECTION 8 OTHER EVENTS
      Item 8.01. Other Events.
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01. Financial Statements and Exhibits.
    SIGNATURE
    Exhibit Index
  EXHIBIT 99