Company:  WESTAMERICA BANCORPORATIO ... (WABC)
Form Type:  SC 13G/A
Filing Date:  2/8/2012 
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: 
$44.94  
Change: 
0.47 (1.06%)  
Trade Time: 
May 17  
Market Cap: 
$1.21B
Description of Business
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  FORM SC 13G/A