Company:  ACHILLION PHARMACEUTICALS ... (ACHN)
Form Type:  4
Filing Date:  12/14/2011 
CIK:  0001070336 
Address:  300 GEORGE STREET 
City, State, Zip:  NEW HAVEN, Connecticut 06511 
Telephone:  203-624-7000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$8.13  
Change: 
0.12 (1.50%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$785.01M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES