[Form 4] Energy Focus, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Huang Chiao Chieh, who is listed as Director, Chief Executive Officer and a 10% owner of Energy Focus, Inc. (EFOI), reported an open-market purchase on 08/15/2025 of 264,550 shares of the issuer's common stock at a price of $1.89 per share. After the acquisition the report shows 1,159,210 shares beneficially owned directly and additional indirect holdings reported through controlled affiliates (42,788; 534,592; 428,077). The Form 4 was signed by an attorney-in-fact on 08/19/2025.

Positive

• Insider purchase disclosed: 264,550 shares acquired at $1.89, showing insider buying activity
• Comprehensive ownership disclosure: Filing lists direct ownership (1,159,210 shares) and indirect holdings via affiliates (42,788; 534,592; 428,077)
• Proper authorization: Form signed by attorney-in-fact, indicating executed filing process

Negative

• None.

Insights

Financial Analyst

TL;DR Insider purchased 264,550 shares at $1.89, increasing direct stake to 1,159,210 shares; transaction is a buy signal but not necessarily material.

The reported open-market purchase by the CEO/Director increases direct ownership and combines with substantial indirect holdings via affiliated entities. The disclosure is a routine Section 16 filing showing insider accumulation. Without company-wide share count or recent trading context in this filing, the market-impact assessment is limited to the clear facts disclosed.

Corporate Governance Expert

TL;DR CEO/Director reported a purchase and properly disclosed indirect holdings through controlled affiliates; filing appears compliant.

The Form 4 identifies the reporting person’s roles and lists direct and indirect holdings, including shares held by controlled affiliates. The signature by an attorney-in-fact and explicit transaction details (date, amount, price) indicate standard compliance with Section 16 reporting requirements. The filing contains no amendments or explanatory remarks beyond basic disclosure.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Huang Chiao Chieh

(Last) (First) (Middle)

32000 AURORA RD.

SUITE B

(Street)

SOLON OH 44139

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ENERGY FOCUS, INC/DE [ EFOI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/15/2025	08/15/2025	P	V	264,550	A	$1.89	1,159,210	D
Common Stock								42,788	I	Shares held by Sander Electronics, a controlled affiliate of Mr. Huang.
Common Stock								534,592	I	Shares held by SANDER ELECTRONIC CO., LTD., a controlled affiliate of Mr. Huang.
Common Stock								428,077	I	Shares held by INWOOD HOLDING LIMITED, a controlled affiliate of Mr. Huang.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Gianas Randy Harrison, as Attorney-in-Fact	08/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did the EFOI reporting person make on 08/15/2025?

The reporting person purchased 264,550 shares of Energy Focus, Inc. common stock at $1.89 per share on 08/15/2025.

How many shares does Huang Chiao Chieh beneficially own after the reported transaction?

The Form 4 reports 1,159,210 shares beneficially owned directly after the transaction, plus indirect holdings of 42,788, 534,592, and 428,077 through affiliates.

What roles does the reporting person hold at EFOI?

The reporting person is identified as a Director, Chief Executive Officer, and a 10% owner of the issuer.

When was the Form 4 signed and who signed it?

The form was signed on 08/19/2025 by Gianas Randy Harrison, acting as attorney-in-fact for the reporting person.