| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 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 | 2 | |
| 12/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |