| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2025 | Jun 4, 2025 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 10, 2024 | Sep 9, 2024 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2024 | Jan 2, 2024 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2023 | Jan 3, 2023 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2022 | Jun 15, 2022 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2022 | Jan 3, 2022 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 4, 2021 | 000-24657 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jan 7, 2020 | Jan 2, 2020 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2019 | Jun 12, 2019 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2019 | Jan 2, 2019 | 000-24657 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 11, 2018 | Jun 6, 2018 | 000-24657 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2018 | Jun 6, 2018 | 000-24657 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 8, 2018 | Jun 6, 2018 | 000-24657 |
| SC 13G | Open Document | Open Filing | Jan 2, 2018 | |||
| SC 13G | Open Document | Open Filing | Jan 11, 2017 | |||
| SC 13G/A | Open Document | Open Filing | May 27, 2015 | |||
| SC 13G/A | Open Document | Open Filing | Jan 6, 2015 | |||
| SC 13G/A | Open Document | Open Filing | Jan 6, 2015 | |||
| SC 13G | Open Document | Open Filing | Jun 4, 2014 |