| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/02/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/02/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/02/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/02/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/02/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/02/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/13/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/07/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/07/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/07/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
