| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 09 Aug 2022 | 05 Aug 2022 | 000-55900 | |
| 4 | Open Document | Open Filing | 11 Mar 2022 | 07 Mar 2022 | 000-55900 | |
| 4 | Open Document | Open Filing | 03 Jan 2022 | 28 Dec 2021 | 000-55900 | |
| 4 | Open Document | Open Filing | 21 Dec 2021 | 20 Dec 2021 | 000-55900 | |
| 4 | Open Document | Open Filing | 15 Dec 2021 | 13 Dec 2021 | 000-55900 | |
| 4 | Open Document | Open Filing | 13 Sep 2021 | 30 Jun 2021 | 000-55900 | |
| 4 | Open Document | Open Filing | 26 Aug 2021 | 24 Aug 2021 | 000-55900 | |
| 4 | Open Document | Open Filing | 11 Jun 2021 | 08 Mar 2021 | 000-55900 | |
| 5 | Open Document | Open Filing | 10 Jun 2021 | 31 Dec 2020 | 000-55900 |