| Filing Date | Form | Description | Filing Group | Downloads | | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/15/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/14/13 | 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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| | 05/02/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings |
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| | 05/01/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/24/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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