| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 30, 2025 | May 28, 2025 | 000-51018 | |
| 4 | Open Document | Open Filing | May 31, 2024 | May 30, 2024 | 000-51018 | |
| 4 | Open Document | Open Filing | Mar 12, 2024 | Mar 12, 2024 | 000-51018 | |
| 4 | Open Document | Open Filing | Dec 1, 2023 | Nov 30, 2023 | 001-36408 | |
| 4 | Open Document | Open Filing | May 26, 2023 | May 25, 2023 | 000-51018 | |
| 4 | Open Document | Open Filing | May 4, 2023 | May 2, 2023 | 001-36408 | |
| 4 | Open Document | Open Filing | Mar 13, 2023 | Mar 9, 2023 | 001-36408 | |
| 4 | Open Document | Open Filing | Aug 3, 2022 | Aug 1, 2022 | 001-36408 | |
| 3 | Open Document | Open Filing | Aug 3, 2022 | Aug 1, 2022 | 001-36408 | |
| 4 | Open Document | Open Filing | May 26, 2022 | May 25, 2022 | 000-51018 | |
| 4 | Open Document | Open Filing | Feb 9, 2021 | Feb 9, 2021 | 000-51018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2020 | May 20, 2020 | 000-51018 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 25, 2019 | Nov 25, 2019 | 000-51018 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2019 | Aug 21, 2019 | 000-51018 |