| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Jan 2023 | 28 Jan 2023 | 001-34767 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Mar 2022 | 04 Mar 2022 | 001-34767 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Feb 2022 | 03 Feb 2022 | 001-34767 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jan 2021 | 01 Jan 2021 | 001-34767 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jan 2019 | 07 Jan 2019 | 001-34767 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Mar 2018 | 09 Mar 2018 | 001-34767 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Mar 2018 | 09 Mar 2018 | 001-34767 |