| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/19/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 08/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 06/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |