EFOI - Energy Focus, Inc/De

Insider Purchase by Huang Chiao Chieh (CEO, 10%)

Stock Price (After Trade)
Stock Price (Before Trade)

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Trade Summary

1 month ago, Huang Chiao Chieh, serving as CEO, 10% owner at Energy Focus, Inc/De (EFOI), purchased 262,009 shares at $2.29 per share, for a total transaction value of $600,001.00. Following this transaction, Huang Chiao Chieh now holds 1,998,599 shares of EFOI.

This purchase represents a 15.00% increase in Huang Chiao Chieh's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, November 26, 2025 and publicly disclosed via SEC Form 4 filing on Wednesday, December 31, 2025, 35 days after the trade was made.

Energy Focus, Inc/De operates in the CONSUMER CYCLICAL sector, specifically within the FURNISHINGS, FIXTURES & APPLIANCES industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Huang Chiao Chieh

Huang Chiao Chieh

CEO, 10%

Huang Chiao Chieh (Chiao Chieh Jay Huang) is the Chief Executive Officer and a 10% owner of Energy Focus, Inc. (NASDAQ: EFOI), an industry-leading innovator of sustainable LED lighting and control technologies headquartered in Solon, Ohio.[[1]](https://www.led-professional.com/all/energy-focus-appoints-new-ceo-and-chairman-of-the-board)[[4]](https://www.tradingview.com/news/tradingview:ba17781ec96e8:0-energy-focus-ceo-huang-chiao-chieh-acquires-262-009-shares/) Appointed CEO in August 2023, he transitioned from his prior role as Chairman of the Board, bringing over 20 years of experience in engineering and management within the LED lighting industry.[[1]](https://www.led-professional.com/all/energy-focus-appoints-new-ceo-and-chairman-of-the-board)[[2]](https://edisonreport.com/2023/08/28/breaking-news-energy-focus-terminates-ceo-lesley-matt-and-appoints-chiao-chieh-jay-haung-to-serve-as-the-companys-new-ceo/)[[3]](https://www.nasdaq.com/press-release/energy-focus-appoints-new-ceo-and-chairman-of-the-board-2023-08-28) He recently acquired 262,009 shares of EFOI common stock on November 26, 2025, at $2.29 per share, signaling strong confidence in the company's future.[[4]](https://www.tradingview.com/news/tradingview:ba17781ec96e8:0-energy-focus-ceo-huang-chiao-chieh-acquires-262-009-shares/)[[5]](https://www.investing.com/news/insider-trading-news/huang-chiao-chieh-energy-focus-ceo-buys-600k-in-efoi-stock-93CH-4426602) Mr. Huang, aged 48 at the time of his appointment, serves as President of Sander Electronics, Inc., a position he has held since 2015 after joining in 1997 and advancing through roles of increasing responsibility.[[1]](https://www.led-professional.com/all/energy-focus-appoints-new-ceo-and-chairman-of-the-board) An innovative entrepreneur, he holds over 50 patents in electronics and lighting for applications including commercial buildings, signage, and medical uses, with recent focus on green energy products, energy solutions, storage, and sustainable governance systems.[[1]](https://www.led-professional.com/all/energy-focus-appoints-new-ceo-and-chairman-of-the-board) He graduated from St. John's University with outstanding achievements in Electrical Engineering, specializing in microelectronic circuits, computer structure, engineering mathematics, microcomputer applications, system programming, interfacing technology, and electronic manufacturing.[[1]](https://www.led-professional.com/all/energy-focus-appoints-new-ceo-and-chairman-of-the-board)

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Trade Price

$2.29

Quantity

262,009

Total Value

$600,001.00

Shares Owned

1,998,599

Trade Date

Wednesday, November 26, 2025

36 days ago

SEC Filing Date

Wednesday, December 31, 2025

Filed 35 days after trade

CONSUMER CYCLICALFURNISHINGS, FIXTURES & APPLIANCES

About Energy Focus, Inc/De

Company Overview

No company information available
View news mentioning EFOI

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