Company:  PEGASYSTEMS INC (PEGA)
Form Type:  4
Filing Date:  5/1/2012 
CIK:  0001013857 
Address:  ONE ROGERS STREET 
City, State, Zip:  CAMBRIDGE, Massachusetts 02142-1209 
Telephone:  (617) 374-9600 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$30.97  
Change: 
-0.93 (-2.92%)  
Trade Time: 
May 22  
Market Cap: 
$1.17B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES