| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2025 | May 15, 2025 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2024 | May 10, 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2024 | Feb 1, 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2023 | May 18, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2023 | Mar 2, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2023 | Feb 21, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2021 | May 26, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2020 | May 27, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 26, 2019 | Jul 24, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2018 | Jun 28, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 28, 2017 | Jul 26, 2017 | 000-20288 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 28, 2017 | Jul 26, 2017 | 000-20288 |