EFOI

Huang Chiao Chieh

Known title: DirectorCIK: 0001964786

Huang Chiao Chieh's purchase track record

How the stock did after each of Huang Chiao Chieh's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.

Purchases measured
4
of 4 since March 27, 2025
Stock higher 6 months later
75%
3 months: 75%
Median 6-month return
+30.8%
3 months: +19.1%
Beat the S&P 500
50%
median +15.7% vs. index
PurchaseStockAmount3 months6 months
11/26/2025EFOI$600K-23.5%+65.1%
8/15/2025EFOI$500K+24.6%-5.2%
6/23/2025EFOI$200K+26.7%+8.4%
3/27/2025EFOI$200K+13.5%+53.1%

Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.

Associated companies

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Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 6, 2026

EFOI Listed Among Moving Industrials Stocks. Energy Focus Inc. (EFOI) was included in a list of industrials stocks showing movement during Tuesday's pre-market session. The stock is currently trading near the upper end of its 52-week range, with technical indicators suggesting strong recent momentum. This inclusion highlights current market attention to the company's price action.

this person other insiders at EFOI

Transaction History

EFOI▲ Buy$600K
EFOI▲ Buy$500K
EFOI▲ Buy$200K
EFOI▲ Buy$200K
EFOI▲ Buy$604K
EFOI▲ Buy$61K

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