| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 10/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/27/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/15/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/30/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/05/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/10/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/31/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/30/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
