| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Feb 2022 | 08 Feb 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Aug 2021 | 12 Aug 2021 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 11 Feb 2020 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2019 | 22 Nov 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2019 | 20 Nov 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2019 | 15 Nov 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 11 Feb 2018 | 001-35593 |