| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 14, 2023 | Feb 10, 2023 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 15, 2022 | Feb 11, 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 9, 2022 | Feb 8, 2022 | 001-35593 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 16, 2021 | Aug 12, 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 | Nov 22, 2019 | Nov 22, 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2019 | Nov 20, 2019 | 001-35593 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 15, 2019 | 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 |