| Date Filed | Type | Description |
| 03/14/2013 |
3
| J. Goldman & Co LP (10% Owner) has filed a Form 3 on ZOLTEK COMPANIES INC |
| 02/14/2011 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/15/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/16/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/17/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/17/2010 |
13F-HR/A
| Form 13F-HR/A - Quarterly report filed by institutional managers, Holdings [Amend] |
| 02/16/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/09/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/14/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/15/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/17/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/14/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/14/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/15/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/14/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/14/2007 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/14/2007 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/10/2007 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/13/2007 |
13F-HR/A
| Form 13F-HR/A - Quarterly report filed by institutional managers, Holdings [Amend] |
| 02/13/2007 |
13F-HR/A
| Form 13F-HR/A - Quarterly report filed by institutional managers, Holdings [Amend] |
| 02/13/2007 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/09/2006 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/14/2006 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/11/2006 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/07/2006 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/02/2005 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 07/20/2005 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/05/2005 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/14/2005 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/08/2004 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/10/2004 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/10/2004 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/13/2004 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/17/2003 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
|