| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/27/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/27/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/30/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/30/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/30/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/22/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/09/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/05/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/05/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/05/16 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |