| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 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 | Oct 9, 2020 | Oct 9, 2020 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2020 | Feb 12, 2020 | 000-55580 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 18, 2019 | Jul 8, 2019 | 000-55580 |