| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 09/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/05/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 09/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/23/19 | 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 |