| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 10/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/09/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/09/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |