| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 25, 2025 | Aug 21, 2025 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 18, 2023 | Dec 14, 2023 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 21, 2022 | Nov 17, 2022 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 19, 2021 | Nov 18, 2021 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 5, 2021 | Oct 1, 2021 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 1, 2020 | Nov 19, 2020 | 000-23329 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2019 | Nov 21, 2019 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 14, 2019 | Jun 1, 2018 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 9, 2018 | Nov 8, 2018 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 17, 2018 | May 16, 2018 | 000-23329 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 5, 2017 | May 17, 2017 | 000-23329 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 15, 2016 | Aug 15, 2016 | 000-23329 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2016 | May 18, 2016 | 000-23329 |
| 4 | Open Document | Open Filing | May 22, 2015 | May 20, 2015 | 000-23329 | |
| 4 | Open Document | Open Filing | Dec 29, 2014 | Dec 23, 2014 | 000-23329 | |
| 4 | Open Document | Open Filing | Aug 18, 2014 | Aug 15, 2014 | 000-23329 | |
| 4 | Open Document | Open Filing | Aug 15, 2014 | Aug 13, 2014 | 000-23329 | |
| 4 | Open Document | Open Filing | Aug 12, 2014 | Aug 8, 2014 | 000-23329 | |
| 4 | Open Document | Open Filing | Aug 8, 2014 | Aug 6, 2014 | 000-23329 | |
| 4 | Open Document | Open Filing | May 22, 2014 | May 21, 2014 | 000-23329 |