| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |