| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 27, 2023 | Mar 25, 2023 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2023 | Mar 23, 2023 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Dec 31, 2022 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 8, 2022 | Aug 5, 2022 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 28, 2022 | Mar 25, 2022 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 13, 2022 | Dec 31, 2021 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2021 | Mar 25, 2021 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 25, 2021 | Jan 22, 2021 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2021 | Dec 31, 2020 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2020 | Jan 15, 2020 | 000-55605 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 17, 2020 | Jan 15, 2020 | 000-55605 |