| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/17/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/16/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/16/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/24/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/24/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/20 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 |