| Filing Date | Form | Description | Filing Group | Downloads | | 04/17/13 | 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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| | 04/05/13 | 4/A | Amendment to a previously filed 4 | 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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| | 04/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/01/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/27/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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