| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Huang Chiao Chieh | Chief Executive Officer, Director, 10%+ Owner | 32000 AURORA RD., SUITE B, SOLON | /s/ Gianas Randy Harrison, as Attorney-in-Fact | 23 Jun 2025 | 0001964786 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | EFOI | Common Stock | Purchase | $200,000 | +103,627 | +15% | $1.93 | 784,163 | 27 Mar 2025 | Direct | |
| transaction | EFOI | Common Stock | Purchase | $200,000 | +110,497 | +14% | $1.81 | 894,660 | 23 Jun 2025 | Direct | |
| holding | EFOI | Common Stock | 42,788 | 27 Mar 2025 | Shares held by Sander Electronics, a controlled affiliate of Mr. Huang. | ||||||
| holding | EFOI | Common Stock | 534,592 | 27 Mar 2025 | Shares held by SANDER ELECTRONIC CO., LTD., a controlled affiliate of Mr. Huang. | ||||||
| holding | EFOI | Common Stock | 428,077 | 27 Mar 2025 | Shares held by INWOOD HOLDING LIMITED, a controlled affiliate of Mr. Huang. |