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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
SEC FORM 4/Open-market purchaseVerified data

Huang Chiao Chieh bought EFOI

Director, Chief Executive Officer, 10% Owner · ENERGY FOCUS, INC/DE · Common Stock

Side
BUY
Value
$600K
Shares
262.0K
Price
$2.29
Executed
Nov 26, 2025
Disclosed
Dec 31, 2025
Disclosure timeline35 days from execution to publication · legal deadline 2 business days
Nov 26 executedDec 31, 2025 disclosed

EFOI · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
53/ 100 · NOTABLE
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+15 / 25

    $600K reported value · 22.6% of prior position

  • Filing timing+10 / 15

    Disclosed 25 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · EFOI

    No records

    No other disclosures for this security in the dataset.

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001628280-25-059166
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 26, 2025
    Published
    Dec 31, 2025
    Ingested by INSIDER
    Nov 5, 04:25 UTC
    Last re-read
    Nov 5, 04:25 UTC

    Extracted facts

    Filer
    Huang Chiao Chieh
    Role
    Director, Chief Executive Officer, 10% Owner
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    ENERGY FOCUS, INC/DE
    Ticker
    EFOI
    Shares
    262.0K
    Price per share
    $2.29
    Value
    $600,001
    Execution date (reported)
    Nov 26, 2025
    Owned after transaction
    1.42M shares
    Days from execution to publication
    35

    Calculation

    Value = shares × reported price per share

    • Shares: 262.0K
    • Price: $2.29

    = $600,001

    What this establishes

    Huang Chiao Chieh filed this Form 4 reporting a open-market purchase of EFOI on Nov 26, 2025. It became public on Dec 31, 2025. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    Director, Chief Executive Officer, 10% Owner
    Huang Chiao Chiehcik:0001964786
    Issuer
    ENERGY FOCUS, INC/DEcik:0000924168

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.