| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 May 2022 | 02 May 2022 | 001-34246 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 May 2022 | 29 Apr 2022 | 001-34246 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Nov 2021 | 04 Nov 2021 | 001-34246 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 01 Mar 2021 | ||
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Mar 2021 | 10 Feb 2021 | 001-34246 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Feb 2021 | 10 Feb 2021 | 001-34246 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 06 Feb 2019 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jun 2018 | 14 Jun 2018 | 001-34246 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Oct 2017 | 10 Oct 2017 | 001-34246 |