| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/19/20 | Statement of changes in beneficial ownership of securities | 2 | |||
| 02/13/20 | Statement of changes in beneficial ownership of securities | 2 | |||
| 11/14/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 11/14/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 11/14/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 08/12/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 08/06/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 08/06/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 08/06/19 | Statement of changes in beneficial ownership of securities | 2 | |||
| 08/06/19 | Statement of changes in beneficial ownership of securities | 2 |