| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 11/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/30/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/19/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 08/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |