| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/29/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/19/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/16/16 | 5 | Annual statement of changes in beneficial ownership of securities |   | 2 | |
| 02/05/16 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 01/06/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/14/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |