| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/17/19 | 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 | |
| 05/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/15/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 |