| Filed On | Filing |
|---|---|
| 14 Feb 2013 | DISCLOSURE DOCUMENT |
| 14 Feb 2013 | DISCLOSURE DOCUMENT |
| 10 Aug 2012 | SC 13G |
| 24 Jul 2009 | SCHEDULE 13G FOR JULY 15, 2009 |
| 24 Jul 2009 | SCHEDULE 13G FOR JULY 15, 2009 |
| 06 Jul 2009 | SC 13G |
| 16 Jan 2009 | SCHEDULE 13G FOR JANUARY 6, 2009 |
| 08 Feb 2008 | SC 13G |
| 15 Jun 2007 | MATERIAL SCIENCES CORP. |
| 14 Feb 2006 | SEC FILING |
| 14 Feb 2005 | SC 13G |
| 10 Feb 2005 | SC 13G |
| 31 Jan 2005 | SC 13G |
| 21 Jan 2005 | SCHEDULE 13G |
| 17 Feb 2004 | SC 13G |
| 12 Feb 2004 | SCHEDULE 13G |
| 14 Mar 2003 | SC 13G |
| 14 Feb 2002 | SCHEDULE 13G |
| 02 Feb 2001 | 2000 SCHEDULE 13G - MATERIAL SCIENCIES C |
| 14 Feb 2000 | SC 13G |
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