| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Apr 18, 2025 | Apr 16, 2025 | 000-55768 | |
| 4 | Open Document | Open Filing | Apr 10, 2025 | Apr 1, 2025 | 000-55768 | |
| 4 | Open Document | Open Filing | Mar 31, 2025 | Mar 27, 2025 | 000-55768 | |
| 4 | Open Document | Open Filing | Mar 24, 2025 | Mar 27, 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | Sep 19, 2024 | Sep 17, 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | Jun 28, 2024 | Jun 27, 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | Jun 5, 2024 | Jun 3, 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | Apr 12, 2024 | Apr 10, 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | Apr 4, 2024 | Dec 1, 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | Sep 15, 2023 | Sep 13, 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | Aug 21, 2023 | Aug 17, 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | May 16, 2023 | Jan 5, 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | Jan 31, 2023 | Jan 27, 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | Dec 15, 2022 | Dec 13, 2022 | 000-55768 | |
| 4 | Open Document | Open Filing | Jan 21, 2022 | Dec 21, 2021 | 000-55768 | |
| 4 | Open Document | Open Filing | Jan 14, 2021 | Jan 13, 2021 | 000-55768 | |
| 4 | Open Document | Open Filing | Oct 21, 2020 | Oct 19, 2020 | 000-55768 | |
| 4 | Open Document | Open Filing | Aug 26, 2020 | Aug 24, 2020 | 000-55768 | |
| 4 | Open Document | Open Filing | Feb 20, 2020 | Dec 31, 2019 | 000-55768 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2018 | Feb 15, 2018 | 000-55768 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2018 | Mar 24, 2017 | 000-55768 |
| 4 | Open Document | Open Filing | Dec 8, 2014 | Dec 4, 2014 | 001-35756 | |
| 4 | Open Document | Open Filing | Nov 24, 2014 | Nov 20, 2014 | 001-35756 | |
| 4 | Open Document | Open Filing | Aug 27, 2014 | Mar 5, 2013 | 001-35756 | |
| 4 | Open Document | Open Filing | Aug 11, 2014 | Apr 15, 2014 | 001-35756 |