| 4 | Statement of changes in beneficial ownership of securities | October 19, 2022 |  | 
| 4 | Statement of changes in beneficial ownership of securities | October 19, 2022 |  | 
| 4 | Statement of changes in beneficial ownership of securities | October 19, 2022 |  | 
| 4 | Statement of changes in beneficial ownership of securities | October 19, 2022 |  | 
| 4 | Statement of changes in beneficial ownership of securities | October 18, 2022 |  | 
| SC 13D/A | General statement of acquisition of beneficial ownership | October 18, 2022 |  | 
| 8-K | Current report | September 28, 2022 |  | 
| 8-K | Current report | September 26, 2022 |  | 
| DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | September 14, 2022 |  | 
| 8-K/A | Current report | September 2, 2022 |  |