| 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 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2020 | 04 Dec 2020 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Mar 2020 | 29 Mar 2020 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Mar 2020 | 20 Mar 2020 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2020 | 14 Feb 2020 | 000-50448 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 14 Feb 2020 | 31 Dec 2019 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2019 | 29 Mar 2019 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2019 | 20 Mar 2019 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2018 | 04 Dec 2018 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Mar 2018 | 20 Mar 2018 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2017 | 05 Dec 2017 | 000-50448 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 30 Nov 2017 | 30 Nov 2017 | 000-50448 |