| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 09/20/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/20/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/20/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/20/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/20/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/09/11 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 2 | |
| 08/01/11 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 07/28/11 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 3 | |
| 07/28/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/26/11 | DEF 14A | Form DEF 14A: Definitive proxy statements | 39 |
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