| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/08/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |