| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Aug 28, 2025 | Aug 26, 2025 | 000-27407 | |
| 4 | Open Document | Open Filing | May 1, 2024 | Apr 24, 2024 | 000-27407 | |
| 4 | Open Document | Open Filing | Mar 27, 2024 | Dec 1, 2023 | 000-27407 | |
| 4 | Open Document | Open Filing | Jul 6, 2022 | Jun 27, 2022 | 000-27407 | |
| 4 | Open Document | Open Filing | Apr 6, 2022 | Apr 4, 2022 | 000-27407 | |
| 3 | Open Document | Open Filing | Apr 6, 2022 | Mar 31, 2022 | 000-27407 | |
| 3 | Open Document | Open Filing | Sep 14, 2016 | Sep 13, 2016 | 000-55695 |