| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 15, 2023 | Feb 13, 2023 | 001-35172 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 16, 2022 | Nov 14, 2022 | 001-35172 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 11, 2022 | Feb 10, 2022 | 001-35172 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 16, 2021 | Nov 12, 2021 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Feb 16, 2021 | Feb 11, 2021 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Nov 12, 2020 | Nov 10, 2020 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Feb 13, 2020 | Feb 11, 2020 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Jul 10, 2019 | Jul 8, 2019 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Jul 11, 2018 | Jul 9, 2018 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Jul 12, 2017 | Jul 10, 2017 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | Apr 27, 2015 | Apr 23, 2015 | 001-35172 |