| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2025 | May 19, 2025 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2025 | Jan 27, 2025 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2024 | May 14, 2024 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2023 | Jun 2, 2023 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2022 | Dec 21, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2022 | May 11, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2022 | May 4, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2021 | Sep 15, 2021 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 26, 2021 | Aug 11, 2021 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2021 | May 4, 2021 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2020 | Dec 21, 2020 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2020 | May 5, 2020 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Dec 23, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2019 | May 31, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 6, 2019 | Aug 6, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2019 | May 10, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2019 | Feb 22, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2018 | May 8, 2018 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2017 | May 9, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2016 | May 5, 2016 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 9, 2015 | Sep 4, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2015 | Aug 10, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2015 | May 7, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2015 | May 6, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 29, 2014 | Sep 25, 2014 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2014 | Jun 16, 2014 | 001-35761 |