| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2024 | Dec 28, 2023 | 001-15583 |
| 4 | Open Document | Open Filing | CHANG - FORM 4 | Oct 3, 2023 | Oct 1, 2023 | 001-15583 |
| 4 | Open Document | Open Filing | SATTERFIELD - FORM 4 | Oct 20, 2021 | Oct 3, 2021 | 001-15583 |
| 3 | Open Document | Open Filing | SATTERFIELD - FORM 3 | Oct 20, 2021 | Jul 22, 2020 | 001-15583 |