| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/07/19 | 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 | |
| 05/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |