| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2025 | May 21, 2025 | 000-10140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2024 | May 15, 2024 | 000-10140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2023 | May 17, 2023 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2022 | Mar 23, 2022 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2021 | Mar 17, 2021 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 26, 2020 | Mar 25, 2020 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2019 | Mar 20, 2019 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2018 | Mar 21, 2018 | 000-10140 |
| 4/A | Open Document | Open Filing | FORM 4/A | Apr 14, 2017 | Mar 22, 2017 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2017 | Feb 22, 2017 | 000-10140 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 23, 2014 | Oct 22, 2014 | 000-10140 |