| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/03/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/21/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 08/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/09/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |