| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 15, 2025 | May 14, 2025 | 001-10883 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 24, 2024 | May 22, 2024 | 001-10883 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 11, 2023 | May 10, 2023 | 001-10883 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 12, 2022 | May 11, 2022 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2021 | May 12, 2021 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2020 | May 12, 2020 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2019 | May 21, 2019 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 16, 2018 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2018 | Feb 6, 2018 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2017 | May 18, 2017 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 28, 2017 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 12, 2016 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2015 | May 14, 2015 | 001-10883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2014 | May 15, 2014 | 001-10883 |