Huang Chiao Chieh - Insider Non-Derivative Transactions at ENERGY FOCUS, INC/DE (EFOI) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 26, 2025, Huang Chiao Chieh's relationship to ENERGY FOCUS, INC/DE (EFOI) is Director,Officer,TenPercentOwner (Chief Executive Officer), and currently has 1,421,219 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other EFOI insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Huang Chiao Chieh - Insider Non-Derivative Transactions of EFOI Common Stock

Huang Chiao Chieh - Insider Non-Derivative Transactions at EFOI

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 27, 2025	P -- (Common Stock)	262009	2.29	1421219
Aug 16, 2025	P -- (Common Stock)	264550	1.89	1159210
Jun 24, 2025	P -- (Common Stock)	110497	1.81	894660
Mar 28, 2025	P -- (Common Stock)	103627	1.93	784163
Jun 30, 2023	Acquisition -- (Common Stock)	343465	1.76	680536
Mar 29, 2023	Acquisition -- (Common Stock)	108502	0.56	2659017