| Date | Form | Description | Docs | XBRL | Pages |
| 02/16/21 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/10/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/29/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/07/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/12/20 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/09/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/23/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/21/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
