| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 19, 2022 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 21, 2022 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2021 | Dec 9, 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2021 | Sep 3, 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2021 | Feb 21, 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2021 | Feb 19, 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2020 | Dec 16, 2020 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 10, 2020 | Dec 9, 2020 | 000-23081 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2020 | Feb 21, 2020 | 000-23081 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2019 | Dec 9, 2019 | 000-23081 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2019 | Dec 9, 2019 | 000-23081 |