| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Nov 2021 | 10 May 2021 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2020 | 19 May 2020 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2019 | 21 May 2019 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2018 | 21 May 2018 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Dec 2016 | 16 Dec 2016 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Oct 2016 | 13 Oct 2016 | 001-37900 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 07 Oct 2016 | 07 Oct 2016 | 001-37900 |