| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2021 | 16 Dec 2021 | 001-38456 |
| 4 | Open Document | Open Filing | 18 Dec 2020 | 16 Dec 2020 | 001-38456 | |
| 4/A | Open Document | Open Filing | 10 Aug 2020 | 07 Aug 2020 | 001-38456 | |
| 4 | Open Document | Open Filing | 07 Aug 2020 | 07 Aug 2020 | 001-38456 | |
| 4 | Open Document | Open Filing | 18 Dec 2019 | 16 Dec 2019 | 001-38456 | |
| 3 | Open Document | Open Filing | 12 Dec 2019 | 02 Dec 2019 | 001-38456 |