| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2021 | 21 Jul 2021 | 001-38476 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2021 | 08 Feb 2021 | 001-38476 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2020 | 11 Jun 2020 | 001-38476 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2020 | 04 Feb 2020 | 001-38476 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 04 Feb 2019 | 001-38476 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 04 Jun 2018 | 001-38476 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2018 | 30 Apr 2018 | 333-224145 |