| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 26, 2025 | Jun 24, 2025 | 001-13627 |
| 4 | Open Document | Open Filing | Jul 3, 2024 | Jun 18, 2024 | 001-13627 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 31, 2022 | May 26, 2022 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2021 | May 13, 2021 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2020 | Jun 10, 2020 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 17, 2019 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2018 | May 17, 2018 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2017 | May 23, 2017 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2016 | May 19, 2016 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2015 | May 21, 2015 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2014 | May 22, 2014 | 001-13627 |