| Filing Date | Form | Description | Filing Group | Downloads | | 05-15-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05-15-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05-15-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05-02-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05-02-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05-02-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05-02-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04-30-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04-30-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04-30-2012 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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