| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Apr 2022 | 01 Apr 2022 | 000-53952 | |
| 4 | Open Document | Open Filing | 05 Jan 2022 | 31 Dec 2021 | 000-53952 | |
| 4 | Open Document | Open Filing | 07 Jul 2021 | 02 Jul 2021 | 000-53952 | |
| 4 | Open Document | Open Filing | 26 Apr 2021 | 22 Apr 2021 | 000-53952 | |
| 4 | Open Document | Open Filing | 09 Feb 2021 | 05 Feb 2021 | 000-53952 | |
| 4 | Open Document | Open Filing | 30 Dec 2020 | 28 Dec 2020 | 000-53952 | |
| 3 | Open Document | Open Filing | 06 Oct 2020 | 01 Oct 2020 | 000-53952 |