| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Jan 2022 | 18 Jan 2022 | 001-39437 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | 001-39437 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Dec 2020 | 23 Nov 2020 | 001-39437 |
| 3/A | Open Document | Open Filing | FORM 3/A | 01 Dec 2020 | 09 Apr 2019 | 001-39437 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2020 | 03 Feb 2020 | 000-55447 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2019 | 13 Jun 2019 | 000-55447 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2019 | 09 Apr 2019 | 000-55447 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Apr 2019 | 09 Apr 2019 | 000-55447 |