| Date | Form | Description | Docs | XBRL | Pages |
| 06/12/13 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 10/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 08/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 08/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
