| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/04/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/02/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/29/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 10/16/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 10/10/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 10/10/19 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 09/10/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 09/06/19 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/07/19 | 3 | Initial statement of beneficial ownership of securities |   | 2 |