| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chang Huifeng | Director | 10 EASTERN DRIVE, PRINCENTON JUNCTION | Chang Huifeng | 13 Mar 2026 | 0001811422 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | SJ | Class A Common Stock | 62,900 | 12 Mar 2026 | Direct |