| Filing Date | Form | Description | Filing Group | Downloads | | 05/14/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |  |  |
| | 05/14/13 | DEFA14A | Additional proxy soliciting materials - definitive | Proxy Filings | | | |
| | 05/10/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | |
| | 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | |
| | 05/01/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings | | | |
| | 04/30/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | |
| | 04/12/13 | ARS | An annual report to security holders | Annual Filings | | | |
| | 04/08/13 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Proxy Filings | | | |
| | 04/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | |
| | 03/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | |
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