| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/14/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/30/19 | 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 | |
| 12/23/19 | 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 | |
| 12/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |