| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/21/20 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 01/21/20 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 01/21/20 | 4 | Statement of changes in beneficial ownership of securities | 3 | ||
| 11/08/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 11/08/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 11/08/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 11/08/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 06/19/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 06/19/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 06/19/19 | 4 | Statement of changes in beneficial ownership of securities | 2 |
