| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/10/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/08/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/14/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |