EFOI Insider Buying — Recent SEC Form 4 Activity
Track insider buying activity for ENERGY FOCUS, INC/DE ($EFOI). See every SEC Form 4 purchase by CEOs, CFOs, directors, and 10% owners over the last 90 days — sourced directly from EDGAR.
In the past 90 days, 1 insider at ENERGY FOCUS, INC/DE (EFOI) made open-market purchases totaling $1,299,999.68. The most recent transaction was on 2025-12-31.
Recent Insider Purchases at ENERGY FOCUS, INC/DE
| Date | Insider | Shares | Value |
|---|---|---|---|
| 2025-12-31 | Huang Chiao Chieh | 262,009 | $600,000.61 |
| 2025-08-19 | Huang Chiao Chieh | 264,550 | $499,999.50 |
| 2025-06-23 | Huang Chiao Chieh | 110,497 | $199,999.57 |
Top Insiders Buying EFOI
- $1,299,999.683 purchases
Frequently Asked — EFOI Insider Buying
What is EFOI insider buying?
$EFOI insider buying refers to open-market purchases of ENERGY FOCUS, INC/DE stock by corporate insiders — officers, directors, and shareholders owning more than 10% of the company. Every purchase is disclosed to the SEC on Form 4 within two business days and is shown on this page.
Why does EFOI insider activity matter?
Insiders have the best view into ENERGY FOCUS, INC/DE's operations. When they buy their own stock with personal money — rather than selling option grants — it signals conviction. Clusters of insider buying (two or more insiders purchasing within 14 days) have historically preceded above-market returns.
Where does this EFOI insider data come from?
Every transaction on this page is sourced directly from SEC EDGAR Form 4 filings. InsiderAct ingests these filings in near real time and filters for open-market purchases (transaction code P).
How do I get alerts when EFOI insiders buy?
Add $EFOI to your InsiderAct watchlist and enable email alerts. You'll be notified when a new Form 4 purchase is filed — usually within hours of the transaction.
What is a "cluster buy" signal?
InsiderAct flags a cluster buy when two or more independent insiders at the same company buy on the open market within a 14-day window. Cluster buys are the highest-conviction insider signal we track.
Related Insider Activity
Other stocks with recent insider buying on SEC Form 4
Want alerts when EFOI insiders buy?
Add $EFOI to your watchlist and get notified the moment a new Form 4 is filed.
Data sourced from SEC Form 4 filings via EDGAR. Read more: What is SEC Form 4?