| 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 | 19 Aug 2025 | 0001964786 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | EFOI | Common Stock | Purchase | $500,000 | +264,550 | +30% | $1.89 | 1,159,210 | 15 Aug 2025 | Direct | |
| holding | EFOI | Common Stock | 42,788 | 15 Aug 2025 | Shares held by Sander Electronics, a controlled affiliate of Mr. Huang. | ||||||
| holding | EFOI | Common Stock | 534,592 | 15 Aug 2025 | Shares held by SANDER ELECTRONIC CO., LTD., a controlled affiliate of Mr. Huang. | ||||||
| holding | EFOI | Common Stock | 428,077 | 15 Aug 2025 | Shares held by INWOOD HOLDING LIMITED, a controlled affiliate of Mr. Huang. |