| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 19, 2025 | May 16, 2025 | 001-10879 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2024 | May 17, 2024 | 001-10879 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 15, 2024 | May 15, 2024 | 001-10879 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 25, 2024 | Feb 12, 2024 | 001-10879 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 13, 2024 | Feb 12, 2024 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2023 | Jun 5, 2023 | 001-10879 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2023 | May 22, 2023 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2023 | May 19, 2023 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2022 | May 19, 2022 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2021 | May 20, 2021 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2019 | May 23, 2019 | 001-10879 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2019 | Mar 1, 2019 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Mar 1, 2019 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2018 | May 18, 2018 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2017 | May 19, 2017 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 26, 2016 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2015 | May 21, 2015 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2014 | May 22, 2014 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2014 | Apr 29, 2014 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2014 | Apr 25, 2014 | 001-10879 |