| Filing Date | Form | Description | Filing Group | Downloads | | 01/19/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/19/12 | 3 | Initial filing by director officer or owner of more than ten percent. | 3,4,5 |
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| | 01/13/12 | NO ACT | NO ACT | Other |
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| | 01/04/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/04/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/04/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/04/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/04/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 01/04/12 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 12/23/11 | CERTNAS | CERTNAS | Other |
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