| 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 | 31 Mar 2021 | 29 Mar 2021 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Mar 2021 | 20 Mar 2021 | 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 | 18 Sep 2020 | 16 Sep 2020 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2020 | 31 Mar 2017 | 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 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2020 | 22 Jan 2020 | 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 | 22 Feb 2019 | 21 Feb 2019 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2019 | 11 Feb 2019 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2019 | 22 Jan 2019 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2018 | 31 Mar 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 | 13 Feb 2018 | 09 Feb 2018 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Feb 2018 | 02 Feb 2018 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jan 2018 | 22 Jan 2018 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2017 | 31 Mar 2017 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2017 | 09 Feb 2017 | 000-50448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2017 | 22 Jan 2017 | 000-50448 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 18 Jul 2016 | 08 Jul 2016 | 000-50448 |