| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/22/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/22/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/22/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/03/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/28/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/27/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/23/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/21/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/21/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/21/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
