| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 10 May 2022 | 05 May 2022 | 000-56047 | |
| 4 | Open Document | Open Filing | 19 Aug 2021 | 17 Aug 2021 | 000-56047 | |
| 4 | Open Document | Open Filing | 13 Aug 2021 | 10 Aug 2021 | 000-56047 | |
| 4 | Open Document | Open Filing | 14 Jul 2021 | 14 Jul 2021 | 000-56047 | |
| 4 | Open Document | Open Filing | 14 May 2021 | 14 May 2021 | 000-56047 | |
| 4 | Open Document | Open Filing | 29 Apr 2021 | 29 Apr 2021 | 000-56047 | |
| 4 | Open Document | Open Filing | 15 Mar 2021 | 12 Mar 2021 | 000-56047 | |
| 4 | Open Document | Open Filing | 30 Sep 2020 | 29 Sep 2020 | 000-56047 | |
| 4 | Open Document | Open Filing | 27 Aug 2020 | 27 Aug 2020 | 000-56047 | |
| 3 | Open Document | Open Filing | 21 May 2020 | 09 Jan 2020 | 000-56047 |