| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/24/20 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 01/23/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/23/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/23/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/23/20 | 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 | |
| 12/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |