| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Apr 21, 2025 | Apr 17, 2025 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 19, 2024 | Apr 18, 2024 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 24, 2023 | Apr 20, 2023 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 25, 2022 | Apr 21, 2022 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 23, 2021 | Apr 22, 2021 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 27, 2020 | Apr 24, 2020 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 22, 2019 | Apr 18, 2019 | 001-06880 | |
| 4 | Open Document | Open Filing | Oct 22, 2018 | Oct 18, 2018 | 001-06880 | |
| 3 | Open Document | Open Filing | Oct 19, 2018 | Oct 15, 2018 | 001-06880 |