| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 06/18/19 | 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 | 2 | |
| 06/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |