| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 19, 2025 | Mar 17, 2025 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 19, 2024 | Mar 15, 2024 | 000-21272 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 19, 2023 | Sep 15, 2023 | 000-21272 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 16, 2023 | Jun 12, 2023 | 000-21272 |