| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/12/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/16/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/04/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
