| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/04/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/20/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/03/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |