| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/08/19 | 3 | Initial statement of beneficial ownership of securities | 3 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/22/19 | 4/A | Statement of changes in beneficial ownership of securities | 1 |