| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/12/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 06/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |