Company:  MARTEN TRANSPORT LTD (MRTN)
Form Type:  4
Filing Date:  5/3/2012 
CIK:  0000799167 
Address:  129 MARTEN ST 
City, State, Zip:  MONDOVI, Wisconsin 54755 
Telephone:  (715) 926-4216 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$23.50  
Change: 
-0.26 (-1.09%)  
Trade Time: 
02:19 PM EST  
Market Cap: 
$520.45M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    REPORTING OWNERS
    SIGNATURES