| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2025 | May 15, 2025 | 000-51280 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 17, 2024 | May 15, 2024 | 000-51280 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Nov 15, 2023 | Nov 14, 2023 | 000-51280 |
| 144 | Open Document | Open Filing | Nov 14, 2023 | |||
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 17, 2023 | May 15, 2023 | 000-51280 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 17, 2022 | May 15, 2022 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2021 | May 17, 2021 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2021 | May 15, 2021 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2021 | May 3, 2021 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2020 | May 15, 2020 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 15, 2018 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2017 | May 15, 2017 | 000-51280 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 15, 2016 | 000-51280 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2015 | Dec 4, 2015 | 000-51280 |