| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/20/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/13/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/07/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/23/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/18/19 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 04/16/19 | Statement of changes in beneficial ownership of securities |
|
2 |