| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2024 | May 3, 2023 | 000-55450 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 16, 2024 | Nov 21, 2023 | 000-55450 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 9, 2024 | May 24, 2023 | 000-55450 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 25, 2023 | Oct 12, 2022 | 000-55450 |
| 4 | Open Document | Open Filing | Apr 30, 2021 | Dec 15, 2020 | 000-55450 | |
| 3 | Open Document | Open Filing | Sep 24, 2020 | Sep 9, 2020 | 000-55450 |