| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2022 | 15 Aug 2022 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2021 | 15 Aug 2021 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2020 | 17 Nov 2020 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2020 | 01 Oct 2020 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2020 | 06 May 2020 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2020 | 05 Feb 2020 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2019 | 30 Oct 2019 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2019 | 01 Apr 2019 | 001-34951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2018 | 17 Sep 2018 | 001-34951 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Feb 2018 | 14 Feb 2018 | 001-34951 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2018 | 13 Feb 2018 | 001-34951 |