Company:  AMERICAN RAILCAR INDUSTRI ... (ARII)
Form Type:  4
Filing Date:  5/11/2011 
CIK:  0001344596 
Address:  100 CLARK STREET 
City, State, Zip:  ST. CHARLES, Missouri 63301 
Telephone:  636-940-6000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$34.64  
Change: 
-0.23 (-0.66%)  
Trade Time: 
May 17  
Market Cap: 
$739.63M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES