| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |