| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/08/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 |