| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 12, 2025 | May 8, 2025 | 001-06605 | |
| 4 | Open Document | Open Filing | May 6, 2024 | May 2, 2024 | 001-06605 | |
| 4 | Open Document | Open Filing | May 15, 2023 | May 4, 2023 | 001-06605 | |
| 4 | Open Document | Open Filing | May 9, 2022 | May 5, 2022 | 001-06605 | |
| 4 | Open Document | Open Filing | May 10, 2021 | May 6, 2021 | 001-06605 | |
| 4 | Open Document | Open Filing | May 11, 2020 | May 7, 2020 | 001-06605 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2019 | May 2, 2019 | 001-06605 |
| 4 | Open Document | Open Filing | May 7, 2018 | May 3, 2018 | 001-06605 | |
| 4 | Open Document | Open Filing | May 8, 2017 | May 4, 2017 | 001-06605 | |
| 4 | Open Document | Open Filing | May 9, 2016 | May 5, 2016 | 001-06605 | |
| 4 | Open Document | Open Filing | May 4, 2015 | May 1, 2015 | 001-06605 | |
| 4/A | Open Document | Open Filing | May 16, 2014 | May 2, 2014 | 001-06605 | |
| 4 | Open Document | Open Filing | May 6, 2014 | May 2, 2014 | 001-06605 |