| Filing Date | Form Type | Description |
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|---|---|---|---|
| Jun 17, 2013 | 4 | Statement of changes in beneficial ownership of securities |
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| Jan 16, 2013 | 4 | Statement of changes in beneficial ownership of securities |
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| Sep 17, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Sep 11, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Aug 20, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Feb 10, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Feb 02, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Feb 01, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Jan 09, 2012 | 4 | Statement of changes in beneficial ownership of securities |
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| Dec 16, 2011 | 4 | Statement of changes in beneficial ownership of securities |
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