| Filing Date | Form | Description | Filing Group | Downloads | | 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/06/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/28/13 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings |
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| | 02/25/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/25/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| | 02/14/13 | SC 13G/A | An amendment to the SC 13G filing | Other |
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| | 02/14/13 | SC 13G/A | An amendment to the SC 13G filing | Other |
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| | 02/14/13 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other |
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