| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |