| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Mar 2023 | 28 Feb 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Feb 2023 | 17 Feb 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Feb 2023 | 15 Feb 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Feb 2023 | 10 Feb 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Sep 2022 | 12 Sep 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Sep 2021 | 08 Sep 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 | 13 Feb 2019 | 11 Feb 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 11 Feb 2018 | 001-35593 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2017 | 23 Mar 2015 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 11 Feb 2017 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 11 Feb 2016 | 001-35593 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2015 | 23 Mar 2015 | 001-35593 |