| 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 | 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 28, 2022 | 000-52833 |
| 4/A | Open Document | Open Filing | FORM 4/A | Dec 20, 2022 | Dec 15, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2022 | Dec 15, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2022 | May 19, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2022 | May 13, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2022 | May 11, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2022 | May 3, 2022 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 24, 2021 | Sep 23, 2021 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 23, 2021 | Sep 21, 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 | Mar 19, 2021 | Mar 17, 2021 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2020 | May 22, 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 23, 2020 | Mar 20, 2020 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 28, 2020 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 21, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2019 | Mar 6, 2019 | 000-52833 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 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 | Dec 15, 2017 | Dec 15, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2017 | May 17, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2017 | May 16, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2017 | May 12, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2017 | May 9, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2017 | Mar 14, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2017 | Mar 13, 2017 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2017 | Mar 10, 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 | Aug 21, 2015 | Aug 19, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2015 | Jun 11, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2015 | May 27, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2015 | May 4, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2015 | Mar 9, 2015 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2015 | Feb 23, 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 | Aug 6, 2014 | Aug 4, 2014 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2014 | Aug 5, 2014 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2014 | Aug 1, 2014 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2014 | Jun 13, 2014 | 001-35761 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2014 | Feb 28, 2014 | 001-35761 |