| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2024 | Jun 24, 2024 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2023 | Dec 11, 2023 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2023 | Jun 22, 2023 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2023 | Jun 20, 2023 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2022 | Dec 14, 2022 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2022 | Jun 17, 2022 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2021 | Dec 14, 2021 | 000-55522 |
| 4/A | Open Document | Open Filing | FORM 4/A | Dec 13, 2021 | Dec 9, 2021 | 000-55522 |
| 4/A | Open Document | Open Filing | FORM 4/A | Dec 13, 2021 | Dec 9, 2021 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2021 | Dec 9, 2021 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2020 | Dec 11, 2020 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2020 | Dec 9, 2020 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2019 | Dec 27, 2019 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2019 | Dec 12, 2019 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2018 | Dec 12, 2018 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2018 | Feb 16, 2018 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2017 | Dec 13, 2017 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 18, 2017 | Apr 17, 2017 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2017 | Feb 16, 2017 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2017 | Dec 30, 2016 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 18, 2016 | Apr 14, 2016 | 000-55522 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2016 | Dec 31, 2015 | 000-55522 |