| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | May 12, 2022 | Mar 31, 2022 | 811-22888 | |
| 5 | Open Document | Open Filing | Jan 31, 2022 | Dec 31, 2021 | 811-22888 | |
| 5 | Open Document | Open Filing | Feb 16, 2021 | Dec 31, 2020 | 811-22888 | |
| 5 | Open Document | Open Filing | Feb 16, 2021 | Dec 31, 2020 | 811-22888 | |
| 5 | Open Document | Open Filing | Feb 7, 2020 | Dec 31, 2019 | 811-22888 | |
| 5 | Open Document | Open Filing | Feb 7, 2020 | Dec 31, 2019 | 811-22888 | |
| 5 | Open Document | Open Filing | Feb 14, 2019 | Dec 31, 2018 | 811-22888 | |
| 5 | Open Document | Open Filing | Feb 14, 2019 | Dec 31, 2018 | 811-22888 | |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2018 | Dec 31, 2017 | 811-22888 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2018 | Dec 31, 2017 | 811-22888 |
| 5/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 16, 2017 | Dec 31, 2016 | 811-22888 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 11, 2016 | Dec 31, 2015 | 811-22888 |