Company:  ALIGN TECHNOLOGY INC (ALGN)
Form Type:  4
Filing Date:  2/29/2012 
CIK:  0001097149 
Address:  2560 ORCHARD PARKWAY 
City, State, Zip:  SAN JOSE, California 95131 
Telephone:  (408) 738-1500 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$36.98  
Change: 
-0.32 (-0.86%)  
Trade Time: 
May 23  
Market Cap: 
$3.02B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    REPORTING OWNERS
    SIGNATURES