Company:  ZOLTEK COMPANIES INC (ZOLT)
Form Type:  4
Filing Date:  1/24/2011 
CIK:  0000890923 
Address:  3101 MCKELVEY RD 
City, State, Zip:  ST LOUIS, Missouri 63044 
Telephone:  (314) 291-5110 
Fiscal Year:  09/30 
Last Trade
Last Trade: 
$12.60  
Change: 
-0.09 (-0.71%)  
Trade Time: 
May 23  
Market Cap: 
$433.25M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES