| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/24/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/10/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/07/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/06/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/16/19 | 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 |