PURCELL DAVID A
Related Filers (1)
ZOLTEK COMPANIES INC (1)
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Ownership (5)
4
Wednesday, 4/2/2014
ZOLTEK COMPANIES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 2/14/2013
ZOLTEK COMPANIES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/16/2011
ZOLTEK COMPANIES INC: Statement of changes in beneficial ownership of securities
4
Friday, 6/17/2011
ZOLTEK COMPANIES INC: Statement of changes in beneficial ownership of securities
3
Thursday, 5/26/2011
ZOLTEK COMPANIES INC: Initial statement of beneficial ownership of securities
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