| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/26/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/22/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/12/13 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 03/12/13 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 | |
| 02/26/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/25/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/04/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/27/12 | 3 | Form 3: Statement of changes in beneficial ownership of securities | 2 |