// company-profile
Energy Focus, Inc/de
EFOIExchangeNasdaqSectorElectric Lighting & Wiring EquipmentInc.OHFilings9Insiders5
// api This Energy Focus, Inc/de insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for EFOI in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Energy Focus, Inc/de as of 2026-03-31
Total reported AUM
$184,094
QoQ change
-38.4%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$84,064
43K shares
#2
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
$54,240
28K shares
#3
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
$19,776
10K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 26, 2025 | Huang Chiao Chieh | EFOI | Purchase | 262,009 | $2.29 | $600K |
| Aug 15, 2025 | Huang Chiao Chieh | EFOI | Purchase | 264,550 | $1.89 | $500K |
| Jun 23, 2025 | Huang Chiao Chieh | EFOI | Purchase | 110,497 | $1.81 | $200K |
| Mar 27, 2025 | Huang Chiao Chieh | EFOI | Purchase | 103,627 | $1.93 | $200K |
| Jun 29, 2023 | Huang Chiao Chieh | EFOI | Award | 343,465 | $1.76 | $604K |
5 more transactions hidden
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