| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/22/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 08/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |