| 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 | 001-34361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2020 | 19 Mar 2020 | 001-34361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2020 | 16 Mar 2020 | 001-34361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2019 | 07 May 2019 | 001-34361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2018 | 12 Nov 2018 | 001-34361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2018 | 05 Nov 2018 | 001-34361 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2018 | 05 Nov 2018 | 001-34361 |