| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 23, 2025 | May 22, 2025 | 001-42139 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 16, 2024 | Aug 12, 2024 | 001-42139 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 12, 2024 | Aug 12, 2024 | 001-42139 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 10, 2021 | Aug 10, 2021 | 001-40730 |
| 4 | Open Document | Open Filing | Jan 6, 2021 | Jan 4, 2021 | 000-26495 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 8, 2020 | Jan 6, 2020 | 000-26495 |
| 4 | Open Document | Open Filing | Jan 24, 2019 | Jan 22, 2019 | 000-26495 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 2, 2019 | Jan 1, 2019 | 000-26495 |
| 4 | Open Document | Open Filing | Sep 1, 2016 | Aug 31, 2016 | 001-35852 | |
| 4 | Open Document | Open Filing | Feb 26, 2016 | Feb 24, 2016 | 001-35852 | |
| 4 | Open Document | Open Filing | Dec 3, 2015 | Dec 1, 2015 | 001-35852 | |
| 4 | Open Document | Open Filing | Jun 27, 2014 | Jun 25, 2014 | 001-35852 | |
| 4 | Open Document | Open Filing | Apr 14, 2014 | Apr 10, 2014 | 001-35852 | |
| 5 | Open Document | Open Filing | Apr 14, 2014 | Dec 31, 2013 | 001-35852 |