Chiao Chieh Huang bought $500k of EFOI
Chief Executive Officer at ENERGY FOCUS, INC/DE. 264,550 shares at an average of $1.89, traded Aug 15, 2025, filed Aug 19, 2025.
Score components
- +25RoleCEO
- +18Trade size$500k at market
- +6Relative to holdingsHoldings up 30%
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
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 +43.5%, 3m +10.0%, 6m -16.7%.
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.
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 0001628280-25-040712, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 15, 2025 | POpen-market purchase Common Stock | +264,550 | $1.89 | $500k | 1,159,210 | Aug 19, 2025 |
Related signals
Other insiders at ENERGY FOCUS, INC/DE and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 50Moderate | EFOIbuy ENERGY FOCUS, INC/DE | Chiao Chieh Huang Chief Executive Officer | $600k 262,009 shares | +23% | |
| 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.