| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/30/18 | Initial statement of beneficial ownership of securities | 3 | |||
| 10/25/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 09/17/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 08/01/18 | Initial statement of beneficial ownership of securities | 3 | |||
| 05/25/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 05/25/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 05/25/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 05/25/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 05/25/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 05/25/18 | Statement of changes in beneficial ownership of securities | 1 |