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