Michael Osterer - 04 Aug 2025 Form 4 Insider Report for ACORN ENERGY, INC. (ACFN)

Role: Director
Signature: /s/ Michael Osterer
Issuer symbol: ACFN
Transactions as of: 04 Aug 2025
Net transactions value: +$8,497
Form type: 4
Filing time: 06 Aug 2025, 16:21:20 UTC
Previous filing: 03 Jan 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Osterer Michael	Director	C/O ACORN ENERGY, INC., 1000 N WEST STREET, SUITE 1200, WILMINGTON,	/s/ Michael Osterer	06 Aug 2025	0001749759

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACFN	Common stock	Options Exercise	$8,497	+1,562	+1.3%	$5.44	125,586	04 Aug 2025	Direct
holding	ACFN	Common stock						52,083	04 Aug 2025	by UE Systems Inc.	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACFN	Stock options	Options Exercise	$0	-1,562	-100%	$0.000000	0	04 Aug 2025	Common stock	1,562	$5.44	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Mr. Osterer shares voting and dispositive power over such securities.
F2	One-third of the options vested and became exercisable on each of 8/6/19, 8/6/20 and 8/6/21 (the first, second and third anniversaries of the grant date).