| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |