Trade Summary

7 months 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 at 4:21 AM ET, 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.