| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |