| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2021 | 03 Dec 2021 | 001-37872 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2020 | 03 Dec 2020 | 001-37872 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2020 | 19 Feb 2020 | 001-37872 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2019 | 03 Dec 2019 | 001-37872 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2019 | 20 Dec 2018 | 001-37872 |
| 3 | Open Document | Open Filing | 13 Dec 2018 | 03 Dec 2018 | 001-37872 |