| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 24, 2022 | Mar 22, 2022 | 001-34755 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 17, 2022 | Mar 14, 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 15, 2022 | Mar 14, 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 20, 2022 | Jan 18, 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 8, 2021 | Oct 6, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 28, 2021 | Sep 24, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 22, 2021 | Sep 20, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 20, 2021 | Sep 16, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 16, 2021 | Sep 14, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 14, 2021 | Sep 10, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 14, 2021 | Jul 13, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 25, 2021 | Mar 23, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 23, 2021 | Mar 19, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 18, 2021 | Mar 16, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 17, 2021 | Mar 15, 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 27, 2021 | Jan 26, 2021 | 001-34755 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 5, 2020 | Oct 27, 2020 | 001-34755 |