| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Nov 13, 2023 | Nov 9, 2023 | 001-12537 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 23, 2023 | Aug 22, 2023 | 001-12537 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2022 | Aug 17, 2022 | 001-12537 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2021 | Nov 2, 2021 | 001-12537 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 22, 2021 | Oct 13, 2021 | 001-12537 |