| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jan 2022 | 20 Jan 2022 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2021 | 14 Feb 2021 | 000-50448 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 17 Sep 2020 | 31 Aug 2020 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Sep 2020 | 31 Aug 2020 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2020 | 14 Feb 2020 | 000-50448 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 08 Jan 2020 | 01 Jan 2020 | 000-50448 |