| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/10/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/10/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 07/12/21 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 05/27/21 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 04/21/21 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 03/18/21 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 02/05/21 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/28/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/21/20 | 4/A | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/21/20 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
