| Filing Date | Form | Description | Filing Group | | 05/22/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/26/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/26/13 | 3 | Initial filing by director officer or owner of more than ten percent. | 3,4,5 |
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| | 03/13/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/13/13 | 3 | Initial filing by director officer or owner of more than ten percent. | 3,4,5 |
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| | 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/05/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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