Company:  KNIGHT TRANSPORTATION INC (KNX)
Form Type:  4
Filing Date:  5/9/2012 
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: 
$17.31   		Change: 
0.32 (1.88%)  
Trade Time: 
May 17   		Market Cap: 
$1.38B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES
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