| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/27/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/27/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/04/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/16/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
