| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2025 | Apr 29, 2025 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2024 | Dec 15, 2024 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2023 | Dec 15, 2023 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2023 | Dec 15, 2022 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2021 | Dec 15, 2021 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2021 | Jan 29, 2021 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2020 | Aug 14, 2020 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2020 | Mar 13, 2020 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2020 | Feb 12, 2020 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2019 | Aug 1, 2019 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2019 | Feb 21, 2019 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2018 | Feb 9, 2018 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2017 | Feb 24, 2017 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2017 | Feb 16, 2017 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2016 | Jun 1, 2016 | 000-55580 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 3, 2016 | Jun 1, 2016 | 000-55580 |