| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 May 2022 | 05 May 2022 | 001-38893 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Feb 2022 | 02 Feb 2022 | 001-38893 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2021 | 10 Jun 2021 | 001-38893 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Mar 2021 | 24 Mar 2021 | 001-40283 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Feb 2021 | 02 Feb 2021 | 001-38893 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Oct 2020 | 08 Oct 2020 | 001-39609 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 May 2019 | 06 May 2019 | 001-38893 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Nov 2018 | 15 Nov 2018 | 001-37788 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 May 2016 | 25 May 2016 | 001-37788 |