| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/22/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/22/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/22/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/22/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/22/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/06/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/02/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/01/20 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 03/27/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/27/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |