| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 2, 2023 | Feb 28, 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 22, 2023 | Feb 17, 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 17, 2023 | Feb 15, 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 14, 2023 | Feb 10, 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 13, 2022 | Sep 12, 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 15, 2022 | Feb 11, 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 10, 2021 | Sep 8, 2021 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2021 | Feb 11, 2021 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2020 | Feb 11, 2020 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2019 | Feb 11, 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 11, 2018 | 001-35593 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2017 | Mar 23, 2015 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Feb 11, 2017 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2016 | Feb 11, 2016 | 001-35593 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2015 | Mar 23, 2015 | 001-35593 |