| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | Jul 18, 2023 | Jul 17, 2023 | 000-53601 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2022 | Feb 1, 2022 | 001-12537 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2021 | Nov 2, 2021 | 001-12537 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 28, 2021 | Oct 27, 2021 | 001-12537 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 5, 2021 | Jul 28, 2021 | 001-12537 |