| Date | Form | Description | Filer | Downloads |
| 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | COLLAR GARY L |
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| 05/15/13 | 4 | Statement of changes in beneficial ownership of securities | Carioba Andre Mueller |
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| 05/15/13 | 4 | Statement of changes in beneficial ownership of securities | COLLAR GARY L |
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| 05/15/13 | 4 | Statement of changes in beneficial ownership of securities | CAPLAN DAVID L |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | RICHENHAGEN MARTIN |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | COLLAR GARY L |
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| 05/08/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | |
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| 05/08/13 | 4 | Statement of changes in beneficial ownership of securities | COLLAR GARY L |
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| 05/06/13 | 4 | Statement of changes in beneficial ownership of securities | HOFFMAN RANDALL G |
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| 04/30/13 | 8-K | Report of unscheduled material events or corporate event | |
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