| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/01/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/01/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/03/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/03/20 | 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 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/07/20 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/05/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/04/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |