| Filing Date | Form | Description | Filing Group | Downloads | | 05/14/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/08/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/06/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/30/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/23/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/22/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/16/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/09/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/05/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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