| Filed On | Filing |
|---|---|
| 16 Feb 2021 | SC 13G |
| 10 Aug 2017 | SC 13G |
| 03 Jun 2011 | SC 13G |
| 10 May 2010 | SC 13G |
| 13 Nov 2009 | SCHEDULE 13G |
| 19 Mar 2007 | SC 13G |
| 19 Mar 2007 | SC 13G |
| 19 Mar 2007 | SC 13G |
| 15 Feb 2005 | SCHEDULE 13G |
| 08 Feb 2002 | SCHEDULE 13G - PRUDENT BEAR FUNDS, INC. |
| 28 Feb 2000 | SCHEDULE 13G |
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