| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/22/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
