| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 06/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |