| 10-K | Annual report [Section 13 and 15(d), not S-K Item 405] | March 15, 2022 | |
| 8-K | Current report | February 24, 2022 | |
| 4 | Statement of changes in beneficial ownership of securities | January 26, 2022 | |
| 4 | Statement of changes in beneficial ownership of securities | January 26, 2022 | |
| 4 | Statement of changes in beneficial ownership of securities | January 26, 2022 | |
| 3 | Initial statement of beneficial ownership of securities | January 10, 2022 | |
| 8-K | Current report | January 3, 2022 | |
| 8-K | Current report | December 17, 2021 | |
| 8-K | Current report | November 17, 2021 | |
| 8-K | Current report | November 17, 2021 | |