Company:  SIRIUS XM RADIO INC. (SIRI)
Form Type:  4
Filing Date:  5/24/2012 
CIK:  0000908937 
Address:  1221 AVENUE OF THE AMERICAS
36TH FLOOR
 
City, State, Zip:  NEW YORK, New York 10020 
Telephone:  212-584-5100 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$3.58  
Change: 
0.035 (0.99%)  
Trade Time: 
May 24  
Market Cap: 
$22.85B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES