| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 27, 2025 | May 22, 2025 | 000-50245 |
| 4 | Open Document | Open Filing | 4 | Jul 8, 2024 | Jul 3, 2024 | 000-50245 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 25, 2023 | May 23, 2023 | 000-50245 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2022 | May 19, 2022 | 000-50245 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2021 | May 20, 2021 | 000-50245 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 10, 2021 | Dec 31, 2020 | 000-50245 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2020 | Jun 18, 2020 | 000-50245 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 11, 2020 | Dec 31, 2019 | 000-50245 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2019 | Dec 31, 2018 | 000-50245 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 5, 2018 | Sep 1, 2018 | 000-50245 |
| 5/A | Open Document | Open Filing | FORM 5/A SUBMISSION | Mar 12, 2018 | Dec 31, 2017 | 000-50245 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2018 | Dec 31, 2017 | 000-50245 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 15, 2017 | Dec 31, 2016 | 000-50245 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 6, 2016 | Sep 1, 2016 | 000-50245 |