| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | Mar 31, 2022 | Mar 31, 2022 | 811-23727 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 11, 2021 | May 11, 2021 | 811-23165 |
| 3 | Open Document | Open Filing | 3 | Dec 26, 2019 | Dec 17, 2019 | 811-22535 |