| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/24/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/15/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/10/19 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 04/09/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |