| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 15, 2022 | 001-41170 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 15, 2021 | 000-18911 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 15, 2020 | 000-18911 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 15, 2019 | 000-18911 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2018 | Feb 15, 2018 | 000-18911 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 6, 2017 | Oct 6, 2017 | 000-18911 |