| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 24 Aug 2022 | 19 Aug 2022 | 000-55008 |
| 4 | Open Document | Open Filing | 30 Dec 2020 | 21 Dec 2020 | 000-55008 | |
| 4 | Open Document | Open Filing | 09 Dec 2020 | 16 Oct 2020 | 000-55008 | |
| 4 | Open Document | Open Filing | 18 Sep 2020 | 19 Aug 2020 | 000-55008 | |
| 4 | Open Document | Open Filing | 06 Aug 2020 | 08 Apr 2020 | 000-55008 | |
| 3 | Open Document | Open Filing | 06 Aug 2020 | 31 Mar 2020 | 000-55008 |