| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/08/19 | 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 | |
| 03/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |