| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 28, 2024 | May 23, 2024 | 811-22535 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 18, 2023 | Aug 16, 2023 | 811-22535 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 27, 2022 | Jan 25, 2022 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | Jan 21, 2020 | Jan 16, 2020 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | Sep 28, 2018 | Sep 26, 2018 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | Dec 19, 2016 | Dec 16, 2016 | 811-22535 |
| 3 | Open Document | Open Filing | 3 | Dec 1, 2016 | Dec 1, 2016 | 811-23165 |