| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/04/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 01/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/06/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 |