| Filing Date | Form | Description | Filing Group | Downloads | | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/29/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| | 03/22/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/20/13 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings |
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| | 03/18/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/18/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/15/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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