SEC ownership of ENERGY FOCUS, INC/DE

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000924168.

Comparable stake leader

Huang Chiao Chieh

Disclosed value leader

Gina Huang

Comparable rows

17/32

Latest evidence

30 Jun 2026

Top shareholders Insider holders Latest transactions
Public ticker
EFOI on Nasdaq
Parsed ownership sources
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
Huang Chiao Chieh
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
17 of 32
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Huang Chiao Chieh
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000924168
Issuer location
Solon, OH

Ownership snapshot

Top shareholders of ENERGY FOCUS, INC/DE (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Huang Chiao Chieh
Disclosed value leader
Gina Huang
Comparable rows
17/32
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 32% 15 rows are not safely comparable across share classes. 13D/G row: Huang Chiao Chieh Showing 1-8 of 32 holder rows.

Quick read

Huang Chiao Chieh leads the comparable SEC ownership view at 32%.

17 of 32 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Huang Chiao Chieh's linked filing trail.
Comparable ownership Top 5
Huang Chiao Chieh 32%
VANGUARD CAPITAL MANAGEMENT LLC 0.69%
Heck Capital Advisors, LLC 0.56%
RENAISSANCE TECHNOLOGIES LLC 0.53%
GEODE CAPITAL MANAGEMENT, LLC 0.47%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 32 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Huang Chiao Chieh
13D/G 3/4/5
Chief Executive Officer, Director, 10%+ Owner
13D/G 3/4/5
32%
$4,596,778
1,998,599 shares
 $0 17 Jan 2023
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
0.69%
$142,996
43,332 shares
 — 30 Jun 2026
Heck Capital Advisors, LLC
13F
Company
13F
0.56%
$116,481
35,297 shares
 — 30 Jun 2026
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
0.53%
$110,213
33,398 shares
 — 30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
0.47%
$97,188
29,451 shares
 — 30 Jun 2026
VANGUARD FIDUCIARY TRUST CO
13F
Company
13F
0.32%
$65,159
19,745 shares
 — 30 Jun 2026
STATE STREET CORP
13F
Company
13F
0.22%
$45,593
13,816 shares
 — 30 Jun 2026
CITADEL ADVISORS LLC
13F
Company
13F
0.2%
$41,927
12,705 shares
 — 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$600,001.

Buys
$600,001
Insiders: 1
Sells
$0
Insiders: 0
Net
+$600,001
Shares: +262,009
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 262,009 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 262,009 0 $600,001 $0 +$600,001

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-18 of 18 reporting-owner rows connected to ENERGY FOCUS, INC/DE. Open a relationship link for the CIK-to-CIK filing trail.

Rows
18
Largest Forms 3/4/5 holder
Gina Huang
Net 12M change
+$600,001
Latest report
26 Nov 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Gina Huang Director, 10%+ Owner $6,547,626 Mixed 30 Mar 2023
Huang Chiao Chieh Chief Executive Officer, Director, 10%+ Owner $4,582,564 +$600,001 +15% Mixed 26 Nov 2025
James Tu Chairman and CEO, Director, 10%+ Owner $439,738 Mixed 16 Aug 2021
Philip Politziner Director $55,264 Mixed 22 Jun 2022
Stephen Socolof Chairman and Interim CEO, Director $44,880 Mixed 22 Jun 2022
Jennifer Y. Cheng Director $38,720 Mixed 22 Jun 2022
Geraldine McManus Director $29,920 Mixed 26 May 2021
Jeffery Robert Parker Director $17,600 Mixed 22 Jun 2022
Brian J. Lagarto Director $17,600 Mixed 22 Jun 2022
Lesley A. Matt Chief Executive Officer Mixed 28 Apr 2023
Tod A. Nestor COO and CFO Mixed 11 Feb 2022
Gregory S. Galluccio Sr. VP, Product Mgmt & Engin. Mixed 11 Feb 2022
Clifford R. Griffin SVP, Corp. Controller & CAO Mixed 01 Aug 2022
Kaj den Daas Director Mixed 04 Sep 2022
Randy Harrison Gianas VP Operations & Engineering Mixed 28 Apr 2023
James R. Warren III SVP, GC & Corp. Secretary Mixed 28 Apr 2023
Wen-Jeng Chang Director Mixed 16 Feb 2023
Shou-Jang Lee Director Mixed 29 Jun 2023

Recent insider transactions for ENERGY FOCUS, INC/DE

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Chiao Chieh Huang EFOI Common Stock Purchase 22.6% $600,001 $2.29 262,009 1,421,219 26 Nov 2025 Direct
* marks a reported price that did not pass the local price check.
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