| Filing Date | Form Type | Description |
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|---|---|---|---|
| Dec 06, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Nov 22, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Nov 14, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Nov 01, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Sep 15, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Aug 19, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Aug 09, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Jul 28, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Jul 22, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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| Jul 19, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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