Nasdaq · CIK 0000924168
EFOI ENERGY FOCUS, INC/DE
Insider trading from SEC Form 4. Last filing Dec 31, 2025. Close $2.99 on Oct 9, 2026, +80% from the 52-week low and -54% from the high.
In brief
ENERGY FOCUS, INC/DE (EFOI) has 3 SEC Form 4 filings on file from 1 insider, the latest filed on Dec 31, 2025. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
3 open-market trades have been scored at EFOI. The newest: Chiao Chieh Huang (Chief Executive Officer) bought $600k of stock on Nov 26, 2025, filed Dec 31, 2025, scored 50 (moderate).
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at ENERGY FOCUS, INC/DE, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | Chiao Chieh Huang Chief Executive Officer buy | $600k 262,009 shares | +23% | - | |
| 49Moderate | Chiao Chieh Huang Chief Executive Officer buy | $500k 264,550 shares | +30% | - | |
| 47Moderate | Chiao Chieh Huang Chief Executive Officer buy | $400k 214,124 shares | +31% | - |
Transactions
Every row filed, 4 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Nov 26, 2025 | Chiao Chieh Huang Chief Executive Officer | POpen-market purchase Common Stock | +262,009 | $2.29 | $600k | 1,421,219 | Dec 31, 2025 |
| Aug 15, 2025 | Chiao Chieh Huang Chief Executive Officer | POpen-market purchase Common Stock | +264,550 | $1.89 | $500k | 1,159,210 | Aug 19, 2025 |
| Mar 27, 2025 | Chiao Chieh Huang Chief Executive Officer | POpen-market purchase Common Stock | +103,627 | $1.93 | $200k | 784,163 | Jun 23, 2025 |
| Jun 23, 2025 | Chiao Chieh Huang Chief Executive Officer | POpen-market purchase Common Stock | +110,497 | $1.81 | $200k | 894,660 | Jun 23, 2025 |
Questions about EFOI
Answered from the filings on this page, as of the latest one.
Are insiders buying EFOI?
No. In the last 90 days no insider at ENERGY FOCUS, INC/DE bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade EFOI on the open market?
Chiao Chieh Huang (Chief Executive Officer) bought $600k of EFOI on Nov 26, 2025 and filed the Form 4 on Dec 31, 2025. InsiderTell scored 50 (moderate).
How many insiders file Form 4 at ENERGY FOCUS, INC/DE?
1 person has filed a Form 4 at ENERGY FOCUS, INC/DE, among them Chiao Chieh Huang (Chief Executive Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.