| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/18 | 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 | |
| 11/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |