| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2025 | Apr 22, 2025 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2024 | Apr 23, 2024 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2023 | Apr 24, 2023 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2022 | Apr 26, 2022 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2021 | Apr 27, 2021 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2020 | Apr 28, 2020 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2019 | Apr 23, 2019 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2018 | Apr 25, 2018 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2017 | Apr 25, 2017 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2016 | Aug 18, 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2016 | May 20, 2016 | 001-33664 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2016 | May 18, 2016 | 001-33664 |