| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2021 | 15 Jun 2021 | 001-37713 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2020 | 29 Jun 2020 | 001-37713 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2020 | 30 May 2020 | 001-37713 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2019 | 30 May 2019 | 001-37713 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2018 | 30 May 2018 | 001-37713 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Sep 2017 | 19 Sep 2017 | 001-37713 |