| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 28 Apr 2023 | 28 Apr 2023 | 000-08814 | |
| 4 | Open Document | Open Filing | 13 Jan 2023 | 11 Jan 2023 | 000-08814 | |
| 4 | Open Document | Open Filing | 17 Sep 2021 | 15 Sep 2021 | 000-08814 | |
| 3 | Open Document | Open Filing | 13 Apr 2020 | 01 Apr 2020 | 000-08814 |