Company:  ATHEROS COMMUNICATIONS IN ... (ATHR)
Form Type:  4
Filing Date:  11/3/2009 
CIK:  0001140486 
Address:  5480 GREAT AMERICA PARKWAY 
City, State, Zip:  SANTA CLARA, California 95054 
Telephone:  408-773-5200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$27.55  
Change: 
-0.27 (-0.97%)  
Trade Time: 
Nov 20  
Market Cap: 
$1.73B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES