| Filing Date | Form | Description | Filing Group | Downloads | | 04/16/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/15/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/11/13 | PX14A6G | Notice of exempt solicitation. Definitive material | Proxy Filings |
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| | 04/09/13 | ARS | An annual report to security holders | Annual Filings |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/02/13 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Proxy Filings |
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| | 04/02/13 | DEFA14A | Additional proxy soliciting materials - definitive | Proxy Filings |
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| | 04/01/13 | 5/A | Amendment to a previously filed 5 | 3,4,5 |
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