Company:  VOLTERRA SEMICONDUCTOR CO ... (VLTR)
Form Type:  4
Filing Date:  4/23/2012 
CIK:  0001050550 
Address:  47467 FREMONT BLVD. 
City, State, Zip:  FREMONT, California 94538 
Telephone:  510-743-1200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$13.87  
Change: 
0.23 (1.69%)  
Trade Time: 
May 17  
Market Cap: 
$346.92M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES