| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2022 | Aug 3, 2022 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2021 | Dec 1, 2021 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 15, 2021 | Nov 10, 2021 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2021 | May 6, 2021 | 001-15983 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 4, 2021 | Feb 28, 2021 | 001-15983 |