| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 12/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 12/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 11/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 10/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 |