| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2021 | May 18, 2021 | 001-37700 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2021 | Jan 19, 2021 | 001-37700 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2020 | May 19, 2020 | 001-37700 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2020 | May 13, 2020 | 001-37700 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2019 | Jun 18, 2019 | 001-37700 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2019 | May 7, 2019 | 001-37700 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2019 | Jan 15, 2019 | 001-37700 |