| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2024 | Apr 29, 2024 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2024 | Mar 1, 2024 | 000-18415 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jan 31, 2024 | Dec 1, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 31, 2024 | Jan 29, 2024 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2023 | Dec 1, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2023 | Sep 1, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2023 | Jun 1, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2023 | May 3, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2023 | Mar 1, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2023 | Jan 27, 2023 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2022 | Dec 1, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 31, 2022 | Oct 27, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2022 | Sep 1, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2022 | Jul 29, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2022 | Jun 1, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2022 | Apr 29, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2022 | Mar 1, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 15, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2022 | Jan 26, 2022 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Dec 31, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2021 | Dec 1, 2021 | 000-18415 |
| SC 13D | Open Document | Open Filing | SC 13D | Nov 5, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2021 | Oct 28, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2021 | Sep 1, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 26, 2021 | Aug 23, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 13, 2021 | Aug 11, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 3, 2021 | Jul 30, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2021 | Jun 1, 2021 | 000-18415 |
| 4/A | Open Document | Open Filing | FORM 4/A | Apr 30, 2021 | Apr 22, 2021 | 000-18415 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2021 | Apr 22, 2021 | 000-18415 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 5, 2021 | Feb 24, 2021 | 000-18415 |