X0508 4 2025-11-26 0 0000924168 ENERGY FOCUS, INC/DE EFOI 0001964786 Huang Chiao Chieh 32000 AURORA RD. SUITE B SOLON OH 44139 1 1 1 0 Chief Executive Officer 0 Common Stock 2025-11-26 2025-11-26 5 P 0 E 262009 2.29 A 1421219 D Common Stock 42788 I Shares held by Sander Electronics, a controlled affiliate of Mr. Huang. Common Stock 534592 I Shares held by SANDER ELECTRONIC CO., LTD., a controlled affiliate of Mr. Huang. /s/ Gianas Randy Harrison, as Attorney-in-Fact 2025-12-31