| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2022 | 13 May 2022 | 001-37908 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2021 | 14 May 2021 | 001-37908 |
| 4 | Open Document | Open Filing | 4 | 12 Nov 2020 | 09 Nov 2020 | 001-37908 |
| 4 | Open Document | Open Filing | 4 | 19 May 2020 | 15 May 2020 | 001-37908 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2020 | 13 Mar 2020 | 001-37908 |
| 4 | Open Document | Open Filing | 4 | 12 Mar 2020 | 11 Mar 2020 | 001-37908 |
| 4 | Open Document | Open Filing | 4 | 17 May 2019 | 15 May 2019 | 001-37908 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 May 2018 | 16 May 2018 | 001-37908 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 May 2017 | 16 May 2017 | 001-37908 |
| 4 | Open Document | Open Filing | 4 | 13 Oct 2016 | 12 Oct 2016 | 001-37908 |
| 3 | Open Document | Open Filing | 3 | 07 Oct 2016 | 07 Oct 2016 | 001-37908 |