| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Feb 2023 | 13 Feb 2023 | 001-35172 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Nov 2022 | 14 Nov 2022 | 001-35172 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Feb 2022 | 10 Feb 2022 | 001-35172 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Nov 2021 | 12 Nov 2021 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 16 Feb 2021 | 11 Feb 2021 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 12 Nov 2020 | 10 Nov 2020 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 13 Feb 2020 | 11 Feb 2020 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 10 Jul 2019 | 08 Jul 2019 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 11 Jul 2018 | 09 Jul 2018 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 12 Jul 2017 | 10 Jul 2017 | 001-35172 |
| 4 | Open Document | Open Filing | 4 | 27 Apr 2015 | 23 Apr 2015 | 001-35172 |