| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |