| Filing Date | Form | Description | Filing Group | Downloads | | 03/27/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/08/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/08/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/14/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/11/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 12/17/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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