| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/13/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/13/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/10/20 | 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 | 3 | |
| 03/02/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/10/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |