| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/31/20 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 12/20/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/19/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/07/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/21/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |

