| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chen Yidan | Chief Executive Officer, President, and Director, Director, 10%+ Owner | 23046 AVENIDA DE LA, CARLOTA, SUITE 600, LAGUNA HILLS | /s/ Yidan Chen | 2025-08-20 | 0002078743 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | ETS | Class B Common Stock | 1.67M | Aug 20, 2025 | Direct |
Chief Executive Officer, President, and Director