| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/06/20 | 4/A | Statement of changes in beneficial ownership of securities | 2 | ||
| 01/06/20 | 4/A | Statement of changes in beneficial ownership of securities | 2 | ||
| 01/06/20 | 4/A | Statement of changes in beneficial ownership of securities | 2 | ||
| 12/16/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 12/16/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 12/16/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 12/16/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 07/31/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 07/31/19 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 07/31/19 | 4 | Statement of changes in beneficial ownership of securities | 2 |