| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |