| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/12/20 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 12/10/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/12/19 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 11/06/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 09/10/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 09/10/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/11/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 09/11/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 09/11/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
