| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 23, 2023 | Aug 22, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2021 | Aug 6, 2021 | 000-21937 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 10, 2021 | Aug 6, 2021 | 000-21937 |