| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 04/18/19 | 3 | Initial statement of beneficial ownership of securities |   | 2 |