| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 20, 2023 | Jun 15, 2023 | 001-39590 | |
| 4 | Open Document | Open Filing | Jun 10, 2022 | Jun 8, 2022 | 001-39590 | |
| 4/A | Open Document | Open Filing | Jul 22, 2021 | Jul 14, 2021 | 001-39590 | |
| 4 | Open Document | Open Filing | Jul 16, 2021 | Jul 14, 2021 | 001-39590 | |
| 4 | Open Document | Open Filing | Dec 16, 2020 | Dec 14, 2020 | 001-39590 | |
| 4 | Open Document | Open Filing | May 26, 2020 | May 21, 2020 | 000-55353 | |
| 3 | Open Document | Open Filing | May 26, 2020 | May 21, 2020 | 000-55353 |