| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2025 | May 8, 2025 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2024 | May 9, 2024 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2023 | Jun 8, 2023 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2022 | Jun 10, 2022 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2021 | May 13, 2021 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2020 | Jun 4, 2020 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2019 | May 9, 2019 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2018 | Nov 9, 2018 | 000-55580 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 9, 2018 | Nov 9, 2018 | 000-55580 |