| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2023 | 06 Dec 2022 | 000-52765 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2021 | 06 Jan 2021 | 000-52765 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2020 | 21 Dec 2020 | 000-52765 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2020 | 25 Sep 2020 | 000-52765 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2020 | 27 Apr 2020 | 000-52765 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2019 | 21 Feb 2019 | 000-52765 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2018 | 04 Sep 2018 | 000-52765 |