| Filing Date | Form | Description | Filing Group | Downloads |
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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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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| 02/13/13 | SC 13G/A | An amendment to the SC 13G filing | Other |
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| 02/13/13 | SC 13G/A | An amendment to the SC 13G filing | Other |
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| 02/11/13 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other |
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| 02/11/13 | SC 13G/A | An amendment to the SC 13G filing | Other |
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