| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/27/15 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 08/26/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/26/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/18/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/12/15 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 05/27/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/27/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/26/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/22/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/21/15 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | 
