| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 15, 2025 | May 14, 2025 | 000-51237 |
| 4 | Open Document | Open Filing | 4 | Nov 18, 2024 | Nov 14, 2024 | 000-51237 |
| 4 | Open Document | Open Filing | 4 | May 16, 2024 | May 14, 2024 | 000-51237 |
| 4 | Open Document | Open Filing | 4 | Jan 8, 2024 | Jan 4, 2024 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2023 | May 12, 2023 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 1, 2023 | Jan 30, 2023 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 10, 2023 | Jan 6, 2023 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2022 | May 11, 2022 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 19, 2022 | Jan 17, 2022 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 1, 2021 | Jan 28, 2021 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2021 | Jan 5, 2021 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2020 | Nov 30, 2020 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 30, 2020 | Nov 25, 2020 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 31, 2020 | Jan 30, 2020 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 28, 2020 | Jan 24, 2020 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2019 | May 8, 2019 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2019 | Jan 14, 2019 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2018 | Nov 7, 2018 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2018 | Jan 12, 2018 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2017 | Nov 9, 2017 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2017 | Nov 8, 2017 | 000-51237 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2017 | Jul 31, 2017 | 000-51237 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 2, 2017 | Jul 31, 2017 | 000-51237 |