Acorn Energy (ACFN) grants director Rabover 3,125 stock options

Rhea-AI Filing Summary

Acorn Energy director Peter Rabover was granted 3,125 stock options on 01/19/2026 as part of the company’s compensation policy for non-employee directors. The options have an exercise price of $19.02 per share and are held directly by Rabover.

One-fourth of the options are immediately exercisable, with additional one-fourth portions becoming exercisable on 04/01/2026, 07/01/2026 and 10/01/2026. The options expire on the earlier of 01/01/2033 or 18 months after Rabover ceases to be a director, officer, employee or consultant of the company. Following this grant, he beneficially owns 3,125 derivative securities linked to Acorn Energy common stock.

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

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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^*

Rabover Peter

(Last) (First) (Middle)

C/O ARTKO CAPITAL LLC

1091 E BAYAUD AVE, APT W2808

(Street)

DENVER CO 80209

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ACORN ENERGY, INC. [ ACFN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/19/2026

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

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
stock options(1)	$19.02	01/19/2026		A		3,125		(2)	(3)	common stock	3,125	$0	3,125	D

Explanation of Responses:

1. Granted pursuant to the issuer's compensation policy for non-employee Directors.

2. One-fourth of the options are immediately exercisable; an additional one-fourth become exercisable on each of 4/1/26, 7/1/26 and 10/1/26.

3. Options expire on the earlier of (a) 1/1/33 and (b) 18 months from the date the reporting person ceases to be a director, officer, employee or consultant.

	/s/ Peter Rabover	01/21/2026
	** 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 insider transaction did Acorn Energy (ACFN) report for Peter Rabover?

The filing reports that director Peter Rabover received a grant of 3,125 stock options linked to Acorn Energy common stock on 01/19/2026.

What is the exercise price of Peter Rabover’s Acorn Energy stock options?

The exercise price of the stock options granted to Peter Rabover is $19.02 per share.

How do Peter Rabover’s Acorn Energy stock options vest?

One-fourth of the options are immediately exercisable, and an additional one-fourth become exercisable on 04/01/2026, 07/01/2026 and 10/01/2026.

When do Peter Rabover’s Acorn Energy stock options expire?

The options expire on the earlier of 01/01/2033 or 18 months after the date Rabover ceases to be a director, officer, employee or consultant of Acorn Energy.

How many derivative securities does Peter Rabover beneficially own after this transaction?

After the reported grant, Peter Rabover beneficially owns 3,125 derivative securities (stock options) related to Acorn Energy common stock.

Is this Acorn Energy Form 4 transaction a stock sale or a grant?

This Form 4 reports a grant of stock options to director Peter Rabover, coded as transaction type A, indicating an acquisition rather than a sale.

Why were these stock options granted to Peter Rabover at Acorn Energy?

The options were granted pursuant to Acorn Energy’s compensation policy for non-employee directors, as stated in the filing’s footnotes.