| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 9, 2022 | May 5, 2022 | 001-38893 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 28, 2022 | Mar 25, 2022 | 001-40283 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 14, 2021 | Jun 10, 2021 | 001-38893 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 4, 2021 | Feb 2, 2021 | 001-38893 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 6, 2019 | May 6, 2019 | 001-38893 |
| 3 | Open Document | Open Filing | FORM 3 | May 10, 2017 | May 8, 2017 | 001-37788 |