| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/09/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |