| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/25/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |