| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 19, 2022 | May 18, 2022 | 001-33404 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 11, 2022 | May 9, 2022 | 001-33404 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 1, 2022 | Feb 26, 2022 | 001-33404 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2022 | Jan 18, 2022 | 001-33404 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2021 | Aug 2, 2021 | 001-33404 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2021 | Aug 2, 2021 | 001-33404 |