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buyModerate

Chiao Chieh Huang bought $600k of EFOI

Chief Executive Officer at ENERGY FOCUS, INC/DE. 262,009 shares at an average of $2.29, traded Nov 26, 2025, filed Dec 31, 2025.

Conviction score
50
Value
$600k
262,009 shares
Holdings after
1,421,219
+23% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $600k at market
    +19
  • Relative to holdings
    Holdings up 23%
    +6
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -5.2%, 3m -11.7%, 6m +34.2%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

EFOIOct 12, 2026 · close 2.89
Since filing Dec 31, 2025: +25.1%SPY +15.0% · excess +10.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001628280-25-059166, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 26, 2025POpen-market purchase
Common Stock
+262,009$2.29$600k1,421,219Dec 31, 2025

Related signals

Other insiders at ENERGY FOCUS, INC/DE and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
49Moderate
EFOIbuy
ENERGY FOCUS, INC/DE
Chiao Chieh Huang
Chief Executive Officer
$500k
264,550 shares
+30%
47Moderate
EFOIbuy
ENERGY FOCUS, INC/DE
Chiao Chieh Huang
Chief Executive Officer
$400k
214,124 shares
+31%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Chiao Chieh Huang bought $600k of EFOI | InsiderTell