| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 06/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 06/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 05/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |