| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |