| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/31/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/22/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/14/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |