| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/06/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 05/06/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 02/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |