| Filing Date | Form | Description | Filing Group | Downloads | | 05/22/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/05/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/05/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/29/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 12/18/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 12/11/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 11/30/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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