| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2024 | Apr 25, 2024 | 000-12627 |
| 4 | Open Document | Open Filing | Oct 19, 2023 | Oct 12, 2023 | 000-12627 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2023 | Apr 24, 2023 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2022 | Jun 23, 2022 | 000-12627 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2022 | Jun 7, 2020 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2022 | May 16, 2022 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2021 | May 6, 2021 | 000-12627 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2021 | Jun 7, 2020 | 000-12627 |