| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 11, 2025 | Jul 9, 2025 | 000-21467 | |
| 4 | Open Document | Open Filing | Jun 24, 2024 | Jun 20, 2024 | 000-21467 | |
| 4 | Open Document | Open Filing | Jun 26, 2023 | Jun 22, 2023 | 000-21467 | |
| 4 | Open Document | Open Filing | Jun 27, 2022 | Jun 23, 2022 | 000-21467 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 21, 2021 | Jun 17, 2021 | 000-21467 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 14, 2020 | Dec 10, 2020 | 000-21467 |
| 4 | Open Document | Open Filing | Nov 19, 2019 | Nov 18, 2019 | 000-21467 | |
| 3 | Open Document | Open Filing | Nov 18, 2019 | Nov 7, 2019 | 000-21467 |