| Filing Date | Form | Description | Filing Group | Downloads |
| 05/03/12 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 05/01/12 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings |
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| 04/23/12 | ARS | An annual report to security holders | Annual Filings |
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| 04/12/12 | DEFA14A | Additional proxy soliciting materials - definitive | Proxy Filings |
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| 04/12/12 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Proxy Filings |
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| 03/30/12 | PRE 14A | A preliminary proxy statement providing notification matters to be brought to a vote | Proxy Filings |
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| 03/22/12 | EFFECT | EFFECT | Other |
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| 03/08/12 | S-3 | Simplified registration form | Registration Statements |
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| 03/07/12 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 03/06/12 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings |
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