| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/23/20 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 02/28/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/26/20 | 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 |