| Filing Date | Form | Description | Filing Group | Downloads |
| 04.30.13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |  |  |  |  |
| 04.30.13 | DEFA14A | Additional proxy soliciting materials - definitive | Proxy Filings | | | | |
| 04.30.13 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Proxy Filings | | | | |
| 04.29.13 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | | |
| 04.02.13 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | | |
| 03.08.13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |  | | |
| 03.08.13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.08.13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.08.13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 03.08.13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |