| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 Jun 2022 | 20 Jun 2022 | 000-28745 | |
| 4 | Open Document | Open Filing | 29 Mar 2022 | 28 Mar 2022 | 000-28745 | |
| 4 | Open Document | Open Filing | 14 Jan 2022 | 06 Jan 2022 | 000-28745 | |
| 4 | Open Document | Open Filing | 15 Dec 2021 | 25 Oct 2021 | 000-28745 |