| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Apr 17, 2025 | Apr 17, 2025 | 000-20572 |
| 4 | Open Document | Open Filing | 4 | Dec 17, 2024 | Dec 13, 2024 | 000-20572 |
| 4 | Open Document | Open Filing | 4 | Jul 8, 2024 | Jul 3, 2024 | 000-20572 |
| 4 | Open Document | Open Filing | 4 | Jul 3, 2024 | Jul 1, 2024 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2023 | Dec 15, 2023 | 000-20572 |
| 144 | Open Document | Open Filing | Dec 19, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2023 | Dec 1, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 18, 2023 | Jul 14, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2023 | Jul 1, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2022 | Dec 15, 2022 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2022 | Dec 5, 2022 | 000-20572 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 24, 2022 | Oct 12, 2022 | 000-20572 |