| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 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 | |
| 05/17/19 | 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 | |
| 05/17/19 | 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 | |
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |