Company:  KNIGHT TRANSPORTATION INC (KNX)
Form Type:  4/A
Filing Date:  2/1/2011 
CIK:  0000929452 
Address:  5601 W BUCKEYE RD 
City, State, Zip:  PHOENIX, Arizona 85043 
Telephone:  (602) 269-2000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$17.37   		Change: 
-0.10 (-0.57%)  
Trade Time: 
May 23   		Market Cap: 
$1.39B
Description of Business
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  FORM 4/A
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES
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