UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2025

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from            to           

Commission file number: 001-33886

ACORN ENERGY, INC.

(Exact name of registrant as specified in its charter)

770-209-0012

Registrant’s telephone number, including area code

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:

None

(Title of class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐ No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to § 240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☒

As of the last day of the second fiscal quarter of 2025, the aggregate market value of the registrant’s common stock held by non-affiliates of the registrant was $28.1 million based on the closing sale price on that date as reported on the OTCQB marketplace. As of March 3, 2026, there were 2,506,501  shares of Common Stock, $0.01 par value per share, outstanding.

DOCUMENTS INCORPORATED BY REFERENCE:

None.

TABLE OF CONTENTS

Certain statements contained in this report are forward-looking in nature. These statements can be identified by the use of forward-looking terminology such as “believes”, “expects”, “may”, “will”, “should” or “anticipates”, or the negatives thereof, or comparable terminology, or by discussions of strategy. You are cautioned that our business and operations are subject to a variety of risks and uncertainties and, consequently, our actual results may materially differ from those projected by any forward-looking statements. Certain of such risks and uncertainties are discussed below under the heading “Item 1A. Risk Factors.”

OmniMetrix^®, OmniView^®, Omni^®pending, OmniPro^®pending, ScopeView^TM, SmartService^TM, TrueGuard^TM and TrueShield^TM are trademarks of OmniMetrix, LLC.

PART I

ITEM 1. BUSINESS

OVERVIEW

Acorn Energy, Inc. and its subsidiaries, OMX Holdings, Inc. and OmniMetrix, LLC (collectively, “Acorn” or “the Company”) is a Delaware corporation which is a holding company focused on technology-driven solutions for energy infrastructure asset management. We provide the following products and Internet of Things (“IoT”) applications and services through our OmniMetrix, LLC (“OmniMetrix”) subsidiary:

During 2025 and 2024, each of our PG and CP activities represented a reportable segment.

We continually evaluate opportunities related to our activities, and our goal is to maximize shareholder value and position our holdings for a strategic event, which may include co-investment by one or more third parties and/or a synergistic acquisition of another company.

FINANCIAL RESULTS BY COMPANY

The following tables show, for the periods indicated, the financial results (dollar amounts in thousands) attributable to each of our consolidated companies.

OMNIMETRIX – POWER GENERATION MONITORING AND CONTROL AND CATHODIC PROTECTION MONITORING AND CONTROL

OmniMetrix is a Georgia limited liability company based in Buford, Georgia that develops and markets wireless remote monitoring and control systems and services for critical assets (including stand-by power generators, pumps, pumpjacks, light towers, turbines, compressors, fire pumps and other industrial equipment) and multiple markets in the IoT ecosystem, as well as cathodic protection solutions for the pipeline industry (gas utilities and pipeline companies). Acorn owns 99% of OmniMetrix, with the remaining 1% owned by OmniMetrix’s former CEO.

Following the emergence of IoT applications whereby companies aggregate multiple sensors and monitors into a simplified dashboard for customers, OmniMetrix believes it plays a key role in this economic ecosystem within the sectors in which it operates. OmniMetrix continues to see a rapidly growing need for backup power infrastructure to secure critical military, government, and private sector assets against emergency events including natural disasters, other impacts of climate change, demand response, cybersecurity threats and terrorist attacks. Residential and industrial standby generators, turbines, compressors, pumps, pumpjacks, light towers and other industrial equipment are part of the critical infrastructure increasingly being monitored in IoT applications. OmniMetrix solutions monitor critical equipment used by cell towers, manufacturing plants, medical facilities, data centers, retail stores, public transportation systems, energy distribution and federal, state and municipal government facilities, in addition to residential back-up generators. Given that OmniMetrix monitors all major brands of critical equipment and continues to invest in research and development in response to customer and potential customer feedback, OmniMetrix is well-positioned to grow its customer base and expand its product offerings in this market.

Products & Services

In the PG segment, OmniMetrix sells devices and services built on our OCOM communications platform. The Omni family—including the Omni residential monitor and OmniPro commercial monitor—launched in 2025 and is phasing out the legacy TrueGuard product line. These devices connect directly to generator control panels across all brands and models, capturing operational data to identify whether emergency power equipment is capable of operating as expected. OmniMetrix also sells the Smart Annunciator for commercial customers who require a large touch-screen display of generator status.

In the CP segment, OmniMetrix offers the Hero 2 Rectifier Monitor, Patriot Plus Test Station Monitor, and RAD/RADex product family. These products monitor cathodic protection systems that reduce rust and corrosion on natural gas pipelines. The Hero 2 monitors and controls rectifiers, the most common point of failure in pipeline systems. The Patriot Plus provides data points along pipeline segments including AC current density. The patented RAD and RADex mount onto existing solid-state decouplers to remotely disconnect/connect AC mitigation tools; the RADex, launched in 2025 on the OCOM platform, adds cathodic protection measurement capabilities.

On January 1, 2026, Acorn Energy entered into a strategic technology partnership with AIO Systems, Ltd. to expand Acorn’s infrastructure asset management technology offerings for cell towers, data centers, and utility assets in North America. Under the agreement, Acorn has exclusive rights to market, distribute, integrate, and sell AIO’s cloud-based monitoring and analytics solutions under the OmniMetrix brand in the United States, Canada, and Mexico, significantly expanding Acorn’s product portfolio and addressable market. The partnership leverages AIO’s globally-deployed technology and provides for shared Software-as-a-Solution (SaaS) and monitoring revenues, with Acorn expecting a phased rollout and limited near-term revenue contribution as integration and market expansion efforts progress.

Customers and Markets

At its core, the OmniMetrix family of PG monitors can remotely monitor and control a variety of industrial engine applications, including engines, standby generators, air and gas compressors, fire pumps, batteries, turbines, pumps and other equipment. Early in the company’s history, a strategic decision was made to focus primarily on the standby power generation market. Subsequently,, the company has expanded its focus to add several additional applications where it sees demand. Standby generator monitoring is part of the IoT ecosystem, whereby multiple sensing and monitoring devices are aggregated into one simple dashboard for customers.

As OmniMetrix can monitor and control all major brands of standby generators and continues to innovate, it is well-positioned to compete in this market.

In the early stages of OmniMetrix’s PG product and market development, relatively unsophisticated generator controls and early generation cellular and satellite communication processes limited the applications to alarm delivery. Customers were notified that some event had taken place after the fact. There was no diagnostic data opportunity, but service organizations could practice a reactive service approach.

With the advent of second-generation cellular systems and newer, computerized engine controls, OmniMetrix migrated to a design point of collecting large amounts of performance data from remote machinery, which allows service organizations to perform diagnostics on equipment before dispatching service. These enhanced control panels allowed the service organization to put the right person in the right truck with appropriate parts to affect a one-trip or even a zero-trip solution. At this phase, service organizations could be efficient, proactive, and provide a higher level of customer satisfaction. They could also manage more customers by using remote monitoring. Service providers have provided OmniMetrix feedback regarding how customer service teams are able to work “smarter” and more efficiently by going directly to problem sites with the appropriate people, parts and solutions, thus increasing the value of their businesses.

OmniMetrix is now focused on expanding its product offerings while also executing the development and launch of new advanced versions of its existing power generation monitoring products. This includes maturing the high-performance data collection design point into the first provider offering of automated prognostic solutions. For example, as most generator failures are the result of consumables, and as those consumables can be monitored, the consumption trends can be extrapolated into predictions of the most common failure modes.

OmniMetrix’s PG monitors have been installed on commercial, industrial and residential generators from original equipment manufacturers (“OEMs”) such as Caterpillar, Kohler, Generac, Cummins, Briggs & Stratton, MTU Solutions and other generator manufacturers. OmniMetrix provides dual value propositions to the generator dealer service organizations as well as to the machine owner. The dealers benefit from the receipt of performance data and status conditions from the generators they service for their customers, which allows the dealer service organization to be proactive in their delivery of service to their customers, as well as in analyzing the remote machines before dispatching a service truck. Since the majority of service and warranty costs are incurred by the service providers, preemptive analysis of customer site conditions prior to dispatch can significantly reduce their labor cost. From the machine owner’s perspective, the OmniMetrix product provides a powerful tool to be used in their efforts to avoid failures that come from consumables such as batteries and fuel. With proper monitoring, 95% of machine failures can be avoided completely. This migration from failure reporting to failure prevention is fundamentally OmniMetrix’s focus and is the result of a strong data collection and analysis design point. We believe that this transition to prognostics sets OmniMetrix apart from its competitors, many of whom are still in the failure reporting phase of application development. OmniMetrix has also shifted its primary focus to commercial and industrial segments from residential due, in part, to the ability to customize our products to the customers’ specifications. We have also increased our marketing efforts to end users in an effort to increase demand for our services. These efforts have proven to be successful, and OmniMetrix continues to execute that strategy.

Competition

OmniMetrix is deeply focused on providing excellent customer experience and product and service designs for a complete end-to-end program for its customers. Having been the first provider of wireless remote monitoring systems for standby generators, the Company has had the opportunity to mature its offering to a level not offered by others who compete in our two segments. This long experience working with key brand and project partners over the years has resulted in product offerings that are highly competitive.

There are two types of competitors in the PG marketplace:

We believe OmniMetrix has a well-established and well-defended position in the high-performance PG monitoring segment, due to its long history and numerous industry partner projects. The Company executes an aggressive sales strategy and comprehensive marketing efforts, developing more sophisticated, diagnostic products and custom solutions for commercial and industrial clientele and pursuing the market segment that requires less technology and lower price points (the extremely large and growing residential generator market).

Within the CP marketplace, there are no OEM competitors, but there are several companies that provide monitoring capabilities similar to OmniMetrix such as Mobiltex Solutions, Abriox, Elecsys, and American Innovations. We believe that OmniMetrix systems provide greater functionality than these competitors, though those competitors are much larger and have greater resources, potentially enabling better channel penetration in the future than OmniMetrix has accomplished to date.

Intellectual Property

OmniMetrix has always focused on being the technology leader in its markets, and as a result has created many “industry firsts” and “trade secrets”. Initially, the Company only pursued patents on the most valuable processes and systems and otherwise made public disclosure of many processes to prevent others from making later patent claims on those items. Nonetheless, OmniMetrix has four valid patents issued. OmniMetrix continually evaluates whether and how to best protect its intellectual property, but there can be no assurance that its efforts will be successful in all cases.

R&D Expense, Net

R&D expense recorded for the years ended December 31, 2025 and 2024 for our OmniMetrix subsidiary is as follows (amounts in thousands of U.S. dollars):

Employees

At December 31, 2025, we had a total of 27 employees (all of whom were employed in the United States by OmniMetrix), of whom 26 were full-time and one was part-time. Our CEO, who also serves as acting CEO of OmniMetrix, and our CFO, who also serves as COO of OmniMetrix, are hired as consultants to Acorn. OmniMetrix also has consultants that supplement our employed staff and provide monthly recurring services in engineering and information technology.

Thirteen of OmniMetrix’s 27 employees are engaged in production, engineering and technical support, eight in marketing and sales and six in finance and IT. We consider our relationship with our employees to be positive. We have no collective bargaining agreements with any of our employees.

Additional Financial Information

For additional financial information regarding our operating segments, foreign and domestic operations and sales, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Notes 12 and 13 to our Consolidated Financial Statements included in this Annual Report.

Available Information

We file annual, quarterly and current reports, proxy statements and other information with the Securities and Exchange Commission (the “SEC”). These filings are available to the public over the internet at the SEC’s website at http://www.sec.gov. You may also read and copy any document we file at the SEC’s public reference room located at 100 F Street, NE, Washington, DC 20549. Please call the SEC at 1-800-SEC-0330 for further information on the public reference room.

Our website can be found at http://www.acornenergy.com. We make available free of charge on or through our website, access to our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports as soon as reasonably practicable after such material is electronically filed, or furnished, to the SEC. Our website also includes our Code of Business Conduct and Ethics, and our Board of Directors’ Committee Charter for the Audit Committee.

ITEM 1A. RISK FACTORS

We may from time to time make written or oral statements that contain forward-looking information. However, our actual results may differ materially from our expectations, statements or projections. The following risks and uncertainties, together with other factors not presently determinable, could cause actual results to differ from our expectations, statements or projections.

General Factors

We depend on key management for the success of our business.

Our success is largely dependent on the skills, experience and efforts of our senior management team, including Jan Loeb, CEO of Acorn and Acting CEO of OmniMetrix, who beneficially owns approximately 21% of the Company’s stock, and Tracy Clifford, CFO of Acorn and COO of OmniMetrix. The loss of the services of either of these key managers could materially harm our business, financial condition, future results and cash flow. We do not maintain “key person” life insurance policies on any members of senior management. We may also not be able to locate or employ on acceptable terms qualified replacements for our senior management if their services were no longer available.

Loss of the services of a few key employees could harm our operations.

We depend on key technical employees and sales personnel. The loss of certain personnel could diminish our ability to develop and maintain relationships with customers and potential customers. The loss of certain technical personnel could harm our ability to meet development and implementation schedules. The loss of key sales personnel could have a negative effect on sales to certain current customers. Our future success also depends on our continuing ability to identify, hire, train and retain other highly qualified technical and managerial personnel. If we fail to attract or retain highly qualified technical and managerial personnel in the future, our business could be disrupted.

Compliance with changing regulations of corporate governance, public disclosure and financial accounting standards may result in additional expenses and affect our reported results of operations.

Keeping informed of, and in compliance with, changing laws, regulations and standards relating to corporate governance, public disclosure and accounting standards, including the Sarbanes-Oxley Act, Dodd-Frank Act, as well as new and proposed SEC regulations and accounting standards, has required an increased amount of management attention and external resources. Compliance with such requirements may result in increased general and administrative expenses and an increased allocation of management time and attention to compliance activities.

We may not be able to successfully integrate companies which we may invest in or acquire in the future, which could materially and adversely affect our business, financial condition, future results and cash flow.

Part of our business plan includes the possibility of acquiring new companies either as new platform companies or complimentary companies. Any failure to effectively integrate any future acquisitions into our controls, systems and procedures could materially adversely affect our business, results of operations, financial condition and cash flow.

Any significant acquisition could require substantial use of our capital and may require significant debt or equity financing. We anticipate the need to closely manage our cash for the foreseeable future and cannot provide any assurance as to the availability or terms of any such financing or its effect on our liquidity and capital resources.

Integrating acquisitions is often costly, and we may not be able to successfully integrate acquired companies with existing operations without substantial costs, delays or other adverse operational or financial consequences. Integrating acquired companies involves a number of risks that could materially and adversely affect our business, including:

We have reported material weaknesses in internal controls over financial reporting as of December 31, 2025 and we cannot assure you that additional material weaknesses will not be identified in the future or that we can effectively remediate our reported weaknesses. If our internal control over financial reporting or disclosure controls and procedures are not effective, there may be errors in our consolidated financial statements that could require a restatement of our consolidated financial statements, or our filings may not be timely, and investors may lose confidence in our reported financial information.

Section 404 of the Sarbanes-Oxley Act of 2002 requires us to evaluate  the effectiveness of our internal control over financial reporting as of the end of each year, and to include a management report assessing the effectiveness of our internal control over financial reporting in each Annual Report on Form 10-K.

Our management, including our Chief Executive Officer and Chief Financial Officer, does not expect that our internal control over financial reporting will prevent all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system’s objectives will be met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Controls can be circumvented by the individual acts of some people, by the collusion of two or more people, or by management override of the controls. Over time, controls may become inadequate because changes in conditions or deterioration in the degree of compliance with policies or procedures may occur. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

Any failure to maintain or implement required new or improved controls, or any difficulties we encounter in their implementation, could result in significant deficiencies or material weaknesses, cause us to fail to timely meet our periodic reporting obligations, or result in material misstatements in our financial statements. Any such failure could also adversely affect the results of periodic management evaluations regarding disclosure controls and the effectiveness of our internal control over financial reporting required under Section 404 of the Sarbanes-Oxley Act of 2002 and the rules promulgated thereunder. The existence of a material weakness could result in errors in our consolidated financial statements that could result in a restatement of our consolidated financial statements, cause us to fail to timely meet our reporting obligations and cause investors to lose confidence in our reported financial information.

If we are unable to protect our intellectual property, or our intellectual property protection efforts are unsuccessful, others may duplicate our technology.

We rely on a combination of patents, trademarks, copyrights, trade secret laws and restrictions on disclosure to protect our intellectual property rights. Our ability to compete effectively will depend, in part, on our ability to protect our proprietary technology, systems’ designs and manufacturing processes. The ability of others to use our intellectual property could allow them to duplicate the benefits of our products and reduce our competitive advantage. We could incur substantial costs in prosecuting patent and other intellectual property infringement suits and defending the validity of our patents and other intellectual property. While we have attempted to safeguard and maintain our property rights, we do not know whether we have been or will be completely successful in doing so. These actions could place our patents, trademarks and other intellectual property rights at risk and could result in the loss of patent, trademark or other intellectual property rights protection for the products, systems and services on which our business strategy partly depends. Furthermore, it is not practical from a cost/benefit perspective to file for patent or trademark protection in every jurisdiction where we now or in the future may conduct business. In those territories where we do not have the benefit of patent or trademark protections, our competitors may be able to prevent us from selling our products or otherwise limit our ability to advertise under our established product names.

We rely, to a significant degree, on contractual provisions to protect our trade secrets and proprietary knowledge. These trade secrets either cannot be protected by patent protection, or we have determined that seeking a patent is not in our interest. These agreements may be breached, and we may not have adequate remedies for any breach. Our trade secrets may also be known without breach of such agreements or may be independently developed by competitors.

Our financial instruments could subject us to concentrations of credit risk.

Our financial instruments, which potentially subject us to concentrations of credit risk, consist principally of cash and trade accounts receivable. Our cash was deposited with a U.S. bank and amounted to $4,454,000 at December 31, 2025. We had one customer, the party to the Material Contract, as defined below under Other Matters in Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations, which represented approximately 42% of the accounts receivable at December 31, 2025. As of March 3, 2026, 58% of this balance had been collected, with the remainder not yet due. Typically, credit risk with respect to the balance of trade receivables is generally diversified due to the number of entities comprising our customer base. However, at December 31, 2025, the balance of accounts receivable under the Material Contract represented more than 40% of the total outstanding balance of accounts receivable. Although we do not believe there is a significant risk of non-performance by this customer, any failures or defaults on their part could negatively impact the value of our financial instruments and could have a material adverse effect on our business, operations or financial condition.

International trade policies, including tariffs, sanctions and trade barriers may adversely affect our business, financial condition, results of operations and prospects.

We operate in a global economy, and our business depends on a global supply chain for the manufacturing of our products. There is inherent risk, based on the complex relationships among the U.S. and the countries in which we conduct our business, that political, diplomatic, and national security factors can lead to global trade restrictions and changes in trade policies and export regulations that may adversely affect our business and operations. The current international trade and regulatory environment is subject to significant ongoing uncertainty.

We source certain components and specialized equipment from international suppliers, with reliance on foreign manufacturers, including from China, Taiwan and Mexico. While we have not experienced a material impact to date from tariffs, any changes in tariff policies, particularly those affecting the locations of our suppliers and/or electronics and related materials, could materially increase our costs and reduce our profitability. Recent and potential future changes in international trade policies, including U.S.-China trade relations and electronics-specific tariffs, could present material risks to our operations and financial performance.

We are dependent on information technology and our systems and infrastructure face certain risks, including cybersecurity breaches and data leakage.

We rely extensively on information technology systems, networks and services, including internet sites, data hosting and processing facilities and tools, physical security systems and other hardware, software and technical applications and platforms, some of which are managed, hosted, provided and/or used for third-parties or their vendors, to assist in conducting our business. A significant breakdown, invasion, corruption, destruction or interruption of critical information technology systems or infrastructure, by our workforce, others with authorized access to our systems or unauthorized persons could negatively impact our operations. The ever-increasing use and evolution of technology, including cloud-based computing and AI, creates opportunities for the unintentional dissemination or intentional destruction or modification of confidential information stored in our, or our third-party providers’ systems, portable media or storage devices. We could also experience a business interruption, theft of confidential information or reputational damage from industrial espionage attacks, malware or other cyber-attacks, which may compromise our system infrastructure or lead to data leakage, either internally or at our third-party providers. We have invested in appropriate industry protections and monitoring practices of our data and IT and have established a Cybersecurity Steering Committee to reduce these risks and continue to monitor our systems on an ongoing basis for any current or potential threats. While we have purchased cybersecurity insurance, there are no assurances that the coverage would be adequate in relation to any losses incurred. Moreover, as cyber-attacks increase in frequency and magnitude, including by actors using AI, we may be unable to obtain cybersecurity insurance in amounts and on terms we view as appropriate for our operations. There can be no assurance that our continuing efforts will prevent breakdowns or breaches of our and/or our third-party providers’ databases or systems that could adversely affect our business.

Risks Related to OmniMetrix

An increase in customer terminations would negatively affect our business by reducing OmniMetrix’s revenue or requiring us to spend more money to grow our customer base.

Although our historical renewal rate is greater than 90%, non-renewals or other monitoring service terminations could increase in the future due to customer dissatisfaction with our products and services, increased competition from other providers or alternative technologies.

If we have an increase in our non-renewal rate, we will have to acquire new customers on an ongoing basis just to maintain our existing level of customers and revenues. As a result, marketing expenditures are an ongoing requirement of our business. We incur costs to acquire new customers, and those costs are a factor in determining our net profitability. Therefore, if we are unsuccessful in retaining customers or are required to spend significant amounts to acquire new customers, our revenue could decrease and/or our operating results could be affected.

OmniMetrix is a relatively small company with limited resources compared to some of its current and potential competitors, which may hinder its ability to compete effectively.

Some of OmniMetrix’s current and potential competitors have significantly greater resources and broader name recognition than it does. As a result, these competitors may have greater credibility with OmniMetrix’s existing and potential customers. They also may be able to adopt more aggressive pricing policies and devote greater resources to the development, promotion and sale of their products, which would allow them to respond more quickly to new or emerging technologies or changes in customer requirements. In particular, at the present time we are facing significant competition from certain generator manufacturers who offer their own monitoring solutions. The leveraging of any of such advantages by our current and/or potential competitors could hinder OmniMetrix’s ability to compete effectively.

OmniMetrix may not be able to access sufficient capital to support growth.

While we believe we have sufficient cash to finance our operations for at least twelve months from the issuance of the audited consolidated financial statements contained in this Annual Report, we may need to seek additional sources of funding for long-term corporate costs or if OmniMetrix were not to grow at the rate anticipated and needed additional funds for their operations. Additional financing for OmniMetrix may be in the form of a bank line, a new loan or investment by others, an equity raise by Acorn which could then facilitate a loan by Acorn to OmniMetrix, or any combination thereof. The availability and amount of any additional loans from us to OmniMetrix may be limited by the working capital needs of our corporate activities. Whether Acorn will have the resources necessary to provide funding, or whether alternative funds, such as third-party loans or investments, will be available at the time and on terms acceptable to Acorn and OmniMetrix cannot be determined at this time.

OmniMetrix sells equipment and services which monitor third-party products; thus, its revenues are dependent on the continued sales of such third-party products.

OmniMetrix’s end-user customer base is comprised exclusively of parties who have chosen to purchase either generators or construct gas pipelines. OmniMetrix has no ability to control the rate at which new generators or cathodic protection systems are acquired. If purchases of such products decline, the associated need for OmniMetrix’s products and services would be expected to decline as well.

If OmniMetrix is unable to keep pace with changing markets or customer-mandated product and service improvements, OmniMetrix’s results of operations and financial condition may suffer.

Many of OmniMetrix’s existing products may require ongoing engineering and upgrades in conjunction with market developments as well as specific customer needs. There can be no assurance that OmniMetrix will continue to be successful in its engineering efforts regarding the development of its products, and future technological difficulties could adversely affect its business, results of operations and financial condition.

The cellular networks used by OmniMetrix are also subject to periodic technical updates that may require corresponding updates to, or replacement of, OmniMetrix’s monitoring equipment.

Cellular networks have evolved over time to offer more robust technical capabilities in both voice and data transmission. As new capabilities come online, it will be necessary to have equipment that can readily interface with the newer cellular networks to avoid negative impacts on customer service. Not all of the costs associated with OmniMetrix’s corresponding equipment upgrades can be passed on to customers, and any increased expenses are expected to have a negative impact on OmniMetrix’s operating results.

A substantial portion of OmniMetrix’s revenues is expected to be generated not from product sales, but from periodic monitoring fees and thus it is continually exposed to risks associated with its customers’ financial stability.

OmniMetrix sells on-going monitoring services to both PG and CP customers. It is therefore dependent on these customers continuing to timely pay service fees on an on-going basis. If a significant portion of these fees are not paid on a timely basis and/or are not renewed from year-to-year, OmniMetrix could expect to experience deterioration in its financial condition.

OmniMetrix’s ability to provide, and to collect revenues from, monitoring services is dependent on the reliability of cellular networks not controlled by OmniMetrix.

OmniMetrix provides monitoring services through the use of cellular and satellite technology utilizing the networks of third-party providers. These providers generally do not warrantee their services to either OmniMetrix or the end users, and any dropped transmissions could result in the loss of customer renewals and potential claims against OmniMetrix. There is no assurance that customers will not cancel monitoring services due to network issues.

OmniMetrix’s business is dependent on its ability to reliably store and manage data, but there can be no guarantee that it has sufficient capabilities to mitigate potential data loss in all cases.

The efficient operation of OmniMetrix’s business is dependent on its information technology systems. In addition, OmniMetrix’s ability to assist customers in analyzing data related to the performance of such customers’ power and cathodic protection monitoring systems is an important component of its customer value proposition. OmniMetrix utilizes Microsoft Azure cloud-hosted data servers utilizing accepted data and power monitoring and protection processes, but whether a data loss can be avoided cannot be assured in every case. OmniMetrix’s information technology systems are vulnerable to damage or interruption from natural disasters, sabotage (including theft and attacks by computer viruses or hackers), power outages, and computer systems, Internet, telecommunications or data network failure. Any interruption of OmniMetrix’s information technology systems could result in decreased revenue, increased expenses, increased capital expenditures, customer dissatisfaction and potential lawsuits, any of which could have a material adverse effect on its results of operations and financial condition.

Risks Related to Our Securities

Our stock price is highly volatile, and we do not expect to pay dividends on shares of our common stock for the foreseeable future. Investors may never obtain a return on their investment.

The market price of our common stock has fluctuated substantially in the past and is likely to continue to be highly volatile and subject to wide fluctuations. During 2025, our common stock traded at prices as low as $12.42 and as high as $33.00 per share. Fluctuations in our stock price may continue to occur in response to various factors, many of which we cannot control, including:

We do not intend to pay dividends to our stockholders in the foreseeable future. We intend to reinvest earnings, if any, in the development and expansion of our business. Accordingly, investors will need to rely on sales of their common stock after price appreciation, which may never occur, in order to realize a return on their investment.

Our share price may decline due to the large number of shares of our common stock eligible for future sale in the public market including shares underlying options.

Almost all of our outstanding shares of common stock are, or could upon exercise of options become, eligible for sale in the public market as described below. Sales of a substantial number of shares of our common stock in the public market, or the possibility of these sales, may adversely affect our stock price.

As of March 3, 2026, 2,506,501 shares of our common stock were issued and outstanding. As of that date, we had 66,758 options outstanding and exercisable with a weighted average exercise price of $9.06 per share, which if exercised would result in the issuance of additional shares of our common stock. In addition to the options noted above, at March 3, 2026, there were 57,178 options outstanding that have not yet vested and are not yet exercisable.  

Substantially all of our currently outstanding shares and shares issuable under our outstanding options are or would be freely tradable.

We may have to offer additional securities for sale in the near future.

As of March 3, 2026, we had consolidated cash of $4,131,000  which we believe is sufficient for at least the next twelve months. Despite this, we may ultimately not have sufficient cash to allow us to execute our plans, and the occurrence of one or more unanticipated events may require us to make significant expenditures. Accordingly, we may need to raise additional amounts to finance our operations. If we were to do so by selling shares of our common stock and/or other securities convertible into shares of our common stock, current investors may incur dilution in the value of their shares.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 1C. CYBERSECURITY

Risk Management and Strategy

Governance

ITEM 2. PROPERTIES

OmniMetrix’s activities are currently conducted in approximately 21,000 square feet of office and production space in the Hamilton Mill Business Park located in Buford, Georgia, under a lease that was amended on June 20, 2025 to extend the lease term through November 30, 2030. The annual operating lease expense was $184,000 in 2025 and $129,000 in 2024. For 2026, the annual operating lease expense will be $216,000 for the year ending through December 31, 2026. OmniMetrix is currently utilizing only a portion of these leased facilities.

On July 6, 2021, the Company entered into an agreement with King Industrial Realty, Inc. to sublease from the Company 1,900 square feet of the Company’s 21,000 square feet office and production space in the Hamilton Mill Business Park located in Buford, Georgia. This sublease was amended on August 15, 2025 to extend the term through September 30, 2028 and to provide a monthly sublease payment of $3,374 plus annual escalators (the average monthly sublease payment in 2025 was $2,790), which includes the base rent plus a pro-rata share of utilities, property taxes and insurance. Fifty percent of any excess rent received above the per square foot amount that the Company pays will be remitted to the Company’s landlord less the allocation of any shared expenses and leasehold improvements specific to the sublease. After the offset of the investment in leasehold improvements and other expenses related to the sublease, the total amount payable to our landlord under the sublease was $8,295 for the year ended December 31, 2025, and $6,680 for the year ended December 31, 2024.

Below are the future payments (in thousands) expected to be received from King Industrial Realty, Inc. under the sublease. The Company expects to remit fifty percent of these amounts net of the annual service cost of approximately $2,600 to our landlord.

ITEM 3. LEGAL PROCEEDINGS

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Information

Our common stock is traded under the symbol “ACFN” on NASDAQ.

Holders

As of March 3, 2026, the last reported sales price of our common stock on NASDAQ was $22.50, there were 57 record holders of our common stock, and we estimate that there were approximately 2,500 beneficial owners of our common stock.

ITEM 6. [RESERVED.]

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Overview and Trend Information

The following discussion includes statements that are forward-looking in nature. Whether such statements ultimately prove to be accurate depends upon a variety of factors that may affect our business and operations. Certain of these factors are discussed in “Item 1A. Risk Factors.”

All dollar amounts in the discussion below are rounded to the nearest thousand and, thus, are approximate.

We currently operate in two reportable operating segments, both of which are performed through our OmniMetrix subsidiary:

The following analysis should be read together with the segment information provided in Notes 12 and 13 to our consolidated financial statements included in this report.

OmniMetrix

Following the emergence of machine-to-machine (“M2M”) and IoT applications whereby companies aggregate multiple sensors and monitors into a simplified dashboard for customers, OmniMetrix believes it plays a key role in this economic ecosystem. In addition, OmniMetrix continues to see a growing need for backup power infrastructure to secure critical military, government, and private sector assets against emergency events including grid outages, natural disasters, cybersecurity threats and terrorist attacks. Commercial, industrial and residential standby generators, turbines, compressors, pumps, pumpjacks, light towers and other industrial equipment are part of the critical infrastructure increasingly becoming monitored in IoT applications. OmniMetrix solutions monitor critical equipment used by cell towers, manufacturing plants, medical facilities, data centers, retail stores, public transportation systems, energy distribution and federal, state and municipal government facilities, in addition to residential back-up generators. Given that OmniMetrix monitors all major brands of critical equipment and continues to invest in research and development in response to customer and potential customer feedback, OmniMetrix remains well positioned as a competitive participant in this market to continue to grow its customer base and expand its product offerings.

Other Matters

On June 1, 2024, we entered into a contract (the “Material Contract”) with one of the nation’s largest cell phone providers to provide monitoring hardware and services. Under the contract, OmniMetrix has provided monitoring devices and related remote monitoring and control services for between 5,000 and 10,000 cell tower backup generators in the U.S. Shipping of hardware commenced in the third quarter of 2024 and installation and monitoring services commenced in the fourth quarter of 2024. During the year ended December 31, 2025, we recognized $2,293,000 in hardware revenue and $452,000 in first-year monitoring revenue from this contract. During the year ended December 31, 2024, we recognized $1,637,000 in hardware revenue and $21,000 in first-year monitoring revenue from this contract.  We have shipped all hardware that has been ordered under this contract to date. We will continue to have annual renewal monitoring revenue on these units each year for all connected units.

Critical Accounting Estimates

In preparing the financial statements, management is required to make estimates and assumptions that have an impact on the asset, liability, revenue and expense amounts reported. These estimates can also affect our supplemental information disclosures, including information about contingencies, risk and financial condition. We believe, given current facts and circumstances, that our estimates and assumptions are reasonable, adhere to U.S. GAAP, and are consistently applied. Inherent in the nature of an estimate or assumption is the fact that actual results may differ from estimates and estimates may vary as new facts and circumstances arise. We make routine estimates and judgments in determining net realizable value of accounts receivable, inventories, property and equipment, prepaid expenses, product warranties and other reserves as well as the amortization period for deferred commissions payable. Management believes our most critical accounting estimates and assumptions are in the area of valuation allowance.

Valuation Allowance

We regularly review our deferred tax assets for recoverability considering historically profitability, projected future taxable income, the expected timing of the reversals of existing temporary differences and tax planning strategies. In assessing the need for a valuation allowance, we consider both positive and negative evidence related to the likelihood of realization of the deferred tax assets. The weight given to the positive and negative evidence is commensurate with the extent to which the evidence may be objectively verified.

We record a valuation allowance to reduce our deferred tax assets to the net amount that we believe is more likely than not to be realized. The net carrying amount of the Company’s deferred tax assets is based on the Company’s belief that it is more likely than not that the Company will generate sufficient future taxable income in certain jurisdictions to realize these deferred tax assets. The ultimate realization of the deferred tax assets depends upon our ability to generate sufficient taxable income in the future. In forecasting future taxable income, management’s projections and beliefs are based upon a variety of estimates and numerous assumptions made by our management with respect to, among other things, interest rates, forecasted revenue of the hardware sales and monitoring revenue or revenue streams that could generate sufficient income. In evaluating our ability to recover our deferred tax assets, we consider and weigh all available positive and negative evidence, including our past operating results, the existence of cumulative losses in the most recent years and our forecast of future taxable income. When the likelihood of the realization of existing deferred tax assets changes, adjustments to the valuation allowance are charged in the period in which the determination is made. If our estimates and assumptions change in the future, the Company may be required to record additional valuation allowances against its deferred tax assets, resulting in additional income tax expense in the Company’s Consolidated Statements of Operations, or conversely to reduce the existing valuation allowance resulting in less income tax expense.

The Company currently has a three-year cumulative income position which is positive evidence that it is more likely than not the deferred tax assets will be realized. As of December 31, 2025, we believe, based on our projections, that a partial valuation allowance of $10,326,000, continues to be necessary against our deferred tax assets. Uncertainty exists related to the generation of future hardware and monitoring revenue, nonetheless the Company believes sufficient positive evidence exists which supports the partial reversal of the valuation allowance. At this time, however, we cannot assure you that we will be successful in doing so. Accordingly, our management will continue to assess the need for this valuation allowance and will make adjustments when appropriate.

Future changes in the Company’s stock ownership, which may be outside of the Company’s control or future equity offerings or acquisitions that have equity as a component of the purchase price consideration may trigger an “ownership change” and the utilization of the Company’s federal and state net operating losses may be subject to a limitation under the Internal Revenue Code, as well as similar state provisions. Such limitations may result in the expiration of net operating loss (NOL) carryforwards before their utilization.

Results of Operations

The selected consolidated statement of operations data for the years ended December 31, 2025 and 2024 and consolidated balance sheet data as of December 31, 2025 and 2024 has been derived from our audited consolidated financial statements included in this Annual Report.

This data should be read in conjunction with our consolidated financial statements and related notes included herein.

Selected Consolidated Statement of Operations Data:

The following table sets forth certain information with respect to revenues and profits of our reportable business segments for the years ended December 31, 2025 and 2024 (dollars in thousands), including the percentages of revenues attributable to such segments. (See Note 12 to our consolidated financial statements for the definitions of our reporting segments).

2025 Compared to 2024

Revenue. In 2025, OmniMetrix recorded total revenue of $11,478,000, as compared to total revenue of $10,986,000 in 2024, for an increase of $492,000 (5%). The PG segment includes our monitoring device for generators, industrial air compressors and our annunciator products. The CP segment includes our monitoring device for cathodic protection systems on gas pipelines serving the gas utilities market and pipeline operators. In 2025, revenue of $10,741,000 was attributed to the PG segment and revenue of $737,000 was attributed to the CP segment, as compared to the 2024 revenue of $9,882,000 that was attributed to the PG segment and $1,104,000 that was attributed to the CP segment. Hardware revenue decreased $515,000 (8%) from $6,433,000 during the year ended December 31, 2024 to $5,918,000 during the year ended December 31, 2025. The decrease in total hardware revenue during the year ended December 31, 2025 is further detailed in the table below:

PG hardware revenue decreased $155,000 (3%) during the year ended December 31, 2025 to $5,424,000 compared to $5,579,000 during the year ended December 31, 2024. We also had a decrease in CP hardware revenue of $360,000 (42%) to $494,000 during the year ended December 31, 2025 from $854,000 during the year ended December 31, 2024. Monitoring revenue increased $1,007,000 (22%) from $4,553,000 in the year ended December 31, 2024 to $5,560,000 in the year ended December 31, 2025. The increase in monitoring revenue was due to an increase in the number of connections being monitored and growth in our customer base.

Gross profit. Gross profit was $8,815,000, reflecting a 77% gross margin on revenue in 2025, compared with a gross profit of $7,999,000, reflecting a 73% gross margin on revenue in 2024. The gross margin increased to 77% in 2025 due to sales of the new Omni and OmniPro products which have a higher gross margin than the older model hardware products and due to higher monitoring revenue, which has a 95% gross margin, as a result of more connections. Gross margin on hardware revenue for the year ended December 31, 2025 was 60% compared to 57% for the year ended December 31, 2024. Gross margin on monitoring revenue was 94% for the year ended December 31, 2025 compared to 94% for the year ended December 31, 2024.

R&D expense. During 2025, OmniMetrix recorded $1,094,000 of R&D expense as compared to $1,012,000 in 2024, an increase of $82,000 (8%). The increase in R&D expense in 2025 is related to increases in wages and bonuses paid to our engineering personnel in 2025 as well as an addition to our engineering team in the fourth quarter of 2024. This increase was offset by the reduction of third-party consultant expenses due to the completion of the recent launch of the Omni and OmniPro, which had been a significant development project, and an addition to our in-house senior engineering staff. We expect a moderate increase in R&D expense for 2026 due to engineering salary increases granted effective January 1, 2026, and for continued investment in work on certain initiatives to continue to redesign certain older products and expand product lines to increase our level of innovation ahead of our competitors.

SG&A expense. Consolidated SG&A expense increased $682,000 from 2024 to 2025. Corporate overhead increased by $360,000 (35%), from $1,020,000 in 2024 to $1,380,000 in 2025. The increase in corporate overhead was due to an increase of (i) $128,000 in tax professional fees from the preparation of the 2024 and the quarterly 2025 income tax provision, the calculations related to the release of the income tax valuation allowance, and the preparation of an updated 382 Study, (ii) $115,000 in expenses related to uplisting to NASDAQ which includes the NASDAQ application fee, the prorated listing fee and the legal fees associated with the uplisting process, (iii) $75,000 in stock compensation expense, (iv) $19,000 in audit fees primarily related to the work on the release of the income tax valuation allowance at December 31, 2024, and (v) a net increase of $23,000, in the aggregate, of other public company expenses.

OmniMetrix’s SG&A expense increased $322,000 (8%), from $4,030,000 in 2024 to $4,352,000 in 2025. This increase was primarily due to increases of (i) $215,000 in personnel expenses, (ii) $66,000 in IT consulting and staff augmentation fees, (iii) $58,000 in facilities expense due to the lease amendment for our office space, and (iv) $57,000 in net aggregate expenses in other categories offset by decreases in (i) commission expenses of $61,000 and (ii) $13,000 in travel and trade show expenses. We anticipate that our annual SG&A costs in 2026 will increase by approximately 9% primarily due to the increase in our facility lease expense pursuant to the lease amendment executed in June 2025 to extend the lease to November 2030 and also to increasing wage and benefit expenses as a result of merit increases effective in January 2026.

Interest income, net. Interest income in the year ended December 31, 2025 was $121,000 compared to $73,000 in the year ended December 31, 2024. The increase was due to higher average cash balances during the year on which interest was earned.

Income taxes. For the year ended December 31, 2025, the Company recorded an income tax benefit of $464,000, offset by current state income tax expense of $30,000, compared to an income tax benefit of $4,435,000, offset by current state income tax expense of $123,000, for the year ended December 31, 2024. The change in the income tax benefit was due to changes in the Company’s valuation allowance. The recorded income tax benefit contributed $0.19 to our basic earnings per share of $1.01, and $0.18 of our diluted earnings per share of $0.99, at December 31, 2025. At December 31, 2024, the recorded income tax benefit contributed $1.78 to our basic earnings per share of $2.53, and $1.77 of our diluted earnings per share of $2.51.

Net income attributable to Acorn Energy. We had net income attributable to Acorn of $2,510,000 in 2025 compared to $6,294,000 in 2024. Our net income in 2025 is comprised of net income at OmniMetrix of $3,488,000, corporate expense of $1,378,000, current state income tax expense of $30,000, the non-controlling interest share of our net income in OmniMetrix of $34,000 offset by deferred income tax benefit as a result of the release of our valuation allowance of $464,000. Our income in 2024 is comprised of net income at OmniMetrix of $3,027,000, corporate expense of $1,017,000, current state income tax expense of $123,000, the non-controlling interest share of our net income in OmniMetrix of $28,000, offset by deferred income tax benefit as a result of the release of our valuation allowance of $4,435,000. Net operating income increased by $100,000 but net income decreased by $3,784,000 primarily due to the decrease in the positive impact of the valuation allowance.

Liquidity and Capital Resources

At December 31, 2025, we had working capital of $3,157,000. Our working capital includes $4,454,000 of cash and deferred revenue of $3,097,000. Such deferred revenue does not require a significant cash outlay for the revenue to be recognized. Total deferred revenue decreased by $824,000, from $4,233,000 at December 31, 2024 to $3,409,000 at December 31, 2025, as a result of the sales mix of products sold. Based on the current products being sold, the Company expects continued decreases in the deferred hardware revenue balance in the foreseeable future. Net cash increased during the year ended December 31, 2025 by $2,128,000, of which $2,090,000 was provided by operating activities, $33,000 was used in investing activities, and $71,000 was provided by financing activities.

During the year ended December 31, 2025, our operating activities provided $2,090,000 of net cash. Our OmniMetrix subsidiary provided $3,513,000 from its operations while our corporate headquarters used $1,423,000 in its operating activities during the period. OmniMetrix’s inventory balance increased by $818,000 at December 31, 2025 as compared to December 31, 2024 primarily related to purchases made for production of our recently launched redesigned product versions, Omni and OmniPro. During the year ended December 31, 2024, our operating activities provided $905,000 of net cash. Our OmniMetrix subsidiary provided $1,991,000 from its operations while our corporate headquarters used $1,086,000 in its operating activities during the period.

During the year ended December 31, 2025, net cash of $33,000 was used in investing activities, primarily related to computer equipment purchases for technology upgrades. During the year ended December 31, 2024, net cash of $56,000 was used in investing activities.

Net cash of $71,000 and $28,000 was provided by financing activities during the years ended December 31, 2025 and 2024, respectively, which represents proceeds from the exercise of stock options, net of $16,000 used for stock repurchases in the year ended December 31,2025.

Other Liquidity Matters

We had $4,454,000 of cash on December 31, 2025, and $4,131,000 on March 3, 2026. We believe that such cash, plus the cash expected to be generated from operations, will provide sufficient liquidity to finance the corporate activities of Acorn and the operating activities of OmniMetrix at their current level of operations for at least the twelve-month period from the issuance of the audited consolidated financial statements contained in this Annual Report. We may, at some point, elect to obtain a new line of credit or other source of financing to fund additional investments in the business. If we decide to pursue additional financing in the future, it may be in the form of a bank line, a new loan or investment by others, an equity raise by Acorn, which could then facilitate a loan by Acorn to OmniMetrix, or any combination thereof. Whether alternative funds, such as third-party loans or investments, will be available at the time required and on terms acceptable to Acorn and OmniMetrix cannot be determined at this time.

Contractual Obligations and Commitments

The table below provides information concerning obligations under certain categories of our contractual obligations as of December 31, 2025.

Cash Payments Due to Contractual Obligations

*Reflects the gross amount of the operating lease liabilities. Imputed interest is $166,000 resulting in $158,000 included in current liabilities. Does not include rent amounts to be received under the sublease.

**Reflects open purchase orders for components/parts to be delivered over the next twelve months as sales forecast requires.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET RISK

As a smaller reporting company, we are not required to provide information required by this Item.

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Furnished at the end of this report commencing on page F-1.

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES 

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our CEO and CFO, has evaluated the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the period covered by this annual report on Form 10-K. Based on this evaluation, our CEO and CFO concluded that our disclosure controls and procedures were effective as of December 31, 2025.

Internal Control Over Financial Reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Under the supervision and with the participation of our management, including our CEO and CFO, we conducted an evaluation of the effectiveness of our internal control over financial reporting as of December 31, 2025, based upon the document “Internal Control - Integrated Framework (2013)” issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). Based upon this assessment and those criteria, management concluded that our internal control over financial reporting was effective as of December 31, 2025.

The Company employs a decentralized internal control methodology, coupled with management’s oversight, whereby its subsidiary is responsible for mitigating its risks to financial reporting by implementing and maintaining effective control policies and procedures and subsequently translating that respective risk mitigation up and through to the parent level and to the Company’s external consolidated financial statements. Also, as the Company’s subsidiary is not large enough to effectively mitigate certain risks by segregating incompatible duties, management must employ compensating mechanisms throughout the Company in a manner that is feasible within the constraints it operates.

Changes in Internal Control Over Financial Reporting

During the year ended December 31, 2024, we have implemented the following (i) a process pursuant to which System and Organization Controls (SOC) reports are obtained from third-party vendors on a recurring schedule and such reports are evaluated for any issues, (ii) provisioning/termination controls with signed and authenticated authorizations, and (iii) change controls for development processes that require authorizations, peer review, quality assurance documentation, ticket matching of changes to work authorizations and overall change controls. Management has concluded, through testing, that these added controls and related actions effectively remediated the previously identified material weaknesses and that these controls are operating effectively.

Other than the remediation actions described above, there were no other changes in our internal control over financial reporting (as such term is defined in Rule 13a-15(f) under the Exchange Act) during the period covered by this report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

ITEM 9B. OTHER INFORMATION

During the fourth quarter of fiscal year 2025, none of our directors or officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Regulation S-K, Item 408.

ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS

Not applicable.

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Directors and Executive Officers

Set forth below is certain information concerning the directors and certain officers of the Company:

Jan H. Loeb has served as our President and CEO since January 28, 2016 and as Acting CEO of OmniMetrix since December 1, 2019. He was appointed to our Board in August 2015 pursuant to the terms of our loan and security agreement with Leap Tide Capital Partners III, LLC (the “Leap Tide Loan Agreement”). He was also appointed to the Board of our then subsidiary DSIT in August 2015 pursuant to the terms of the Leap Tide Loan Agreement and held that position until the sale of our remaining interest in DSIT in February 2018. Mr. Loeb has more than 40 years of money management and investment banking experience. He has been the Managing Member of Leap Tide Capital Management LLC since 2007. From 2005 to 2007, he served as the President of Leap Tide’s predecessor, Leap Tide Capital Management Inc., which was formerly known as AmTrust Capital Management Inc. He served as a Portfolio Manager of Chesapeake Partners from February 2004 to January 2005. From January 2002 to December 2004, he served as Managing Director at Jefferies & Company, Inc. From 1994 to 2001, he served as Managing Director at Dresdner Kleinwort Wasserstein, Inc. (formerly Wasserstein Perella & Co., Inc.). He served as a Lead Director of American Pacific Corporation from July 8, 2013 to February 27, 2014, and also served as its Director from January 1997 to February 27, 2014. He served as an Independent Director of Pernix Therapeutics Holdings Inc. (formerly, Golf Trust of America, Inc.) from 2006 to August 31, 2011. He served as a Director of TAT Technologies, Ltd. from August 2009 to December 21, 2016. He served as a Director of Keweenaw Land Association, Ltd. from December 2016 until May 2019. He has served as President, Executive Chairman and board member of NovelStem International Corp since July 2018, and as a board member of Gyrodyne, LLC since July 2023.

Key Attributes, Experience and Skills. Mr. Loeb brings to the Acorn Board significant financial expertise, cultivated over more than 40 years of money management and investment banking experience, together with a background in public company management and audit committee experience.

Gary Mohr was elected to the Board in August 2018 and is a member of our Audit, Compensation and Nominating Committees. Mr. Mohr is President of UE Systems, Incorporated, an international technology company specializing in the field of plant asset reliability through ultrasound. Mr. Mohr started with UE Systems in 1988 as a salesman and rapidly progressed through the ranks as regional sales manager, National Sales Manager, Vice President and eventually President of the company. It is through Mr. Mohr’s stewardship that UE Systems has grown from a national brand to an international company with offices in Toronto, Mexico City, Hong Kong, India and the Netherlands, and developed a list of loyal customers, including those in the Fortune 500.

Key Attributes, Experience and Skills. Mr. Mohr brings to the Board a broad range of operational and managerial experience, including a successful track record in product development and marketing leadership.

Michael F. Osterer was elected to the Board in August 2018 and is a member of our Audit, Compensation and Nominating Committees. He served as an advisor to our Board from October 2017 until his election as director. Since 1973, Mr. Osterer has served as Chairman of the Board of UE Systems, Incorporated, a leader in the field of plant asset reliability through ultrasound, which he founded in 1973. He also served as President of UE Systems from 1973 to 1985. Since 1987, Mr. Osterer has served as President of Libom Oil, an oil exploration, drilling and purchasing company, which he founded in 1987. He is the Acting Chairman of the Board of Radon Testing Corporation of America, Inc., which he founded in 1985 and where he served as President from 1985 through 1989. Mr. Osterer also founded Westchester Consultants, a general business consultancy nationally recognized for branding expertise of food products. He served in the United States Air Force/Air National Guard, 105th Airborne Division, from 1964 through 1970. Mr. Osterer graduated from Fordham University with a BA in Social Sciences, Magna Cum Laude.

Key Attributes, Experience and Skills. Mr. Osterer brings to Acorn a wealth of operational and managerial experience gained over his long history of successful entrepreneurial pursuits, corporate leadership and oversight.

Peter Rabover was appointed to the Board in March 2023. Mr. Rabover is currently the CFO and Corporate Secretary of Grodivo.ai, a corporate culture measurement software company. He has been an active buyside investor for over 20 years, and is currently the Managing Director of Artko Capital LP, a partnership focused on microcap investments, which is a role he has held since he founded the partnership in 2015. In such capacity, Mr. Rabover has advised on a wide range of corporate finance activities for dozens of companies. Prior to founding Artko Capital, he worked for Scharf Investments from 2012 to 2014, and Hahn Capital Management from 2005 to 2011 in an analyst capacity. He served in the United States Peace Corps in Kazakhstan from 2003 to 2005 as an Economic Development Volunteer. Mr. Rabover started his career as an auditor for United States Steel Corporation from 2001 to 2003. He holds an undergraduate degree from Duquesne University, a Masters of Business Administration from the University of Virginia’s Darden School of Business and is a CFA Charterholder.

Key Attributes, Experience and Skills. Mr. Rabover brings a wide range of corporate finance, audit and capital allocation acumen and experience as well as a unique shareholder perspective gained through a long career of managing outside capital and finding successful investments.

Samuel M. Zentman has been one of our directors since November 2004 and currently serves as Chairman of our Audit Committee and as a member of our Compensation and Nominating Committees. From 1980 until 2006, Dr. Zentman was the president and chief executive officer of a privately held textile firm, where he also served as vice president of finance and administration from 1978 to 1980. From 1973 to 1978, Dr. Zentman served in various capacities in the Information Systems department at American Motors Corporation including Director of the Corporate Data Center and the Engineering Computer Centers. He holds a Ph.D. in Complex Analysis. Dr. Zentman serves on the board of Klotho Neurosciences, as well as several national charitable organizations devoted to advancing the quality of education.

Key Attributes, Experience and Skills. Dr. Zentman’s long-time experience as a businessman together with his experience with computer systems and software enables him to bring valuable insights to the Board. Dr. Zentman has a broad, fundamental understanding of the business drivers affecting our Company and also brings leadership and oversight experience to the Board.

Tracy S. Clifford has served as the Company’s Chief Financial Officer since June 1, 2018 and as the COO of OmniMetrix since December 1, 2019. She serves in such positions pursuant to a Consulting Agreement between the Company and Tracy Clifford Consulting, LLC. Ms. Clifford is President and Owner of Tracy Clifford Consulting, LLC, through which she has been providing contract CFO/COO services and other advisory services and project engagements since June 2015. Between October 1999 and May 2015, she served as CFO, Principal Accounting Officer, Corporate Controller and Secretary for a publicly traded pharmaceutical company and a publicly traded REIT. Her prior experience includes accounting leadership positions at United Healthcare (Atlanta) and the North Broward Hospital District (Fort Lauderdale) and work on the audit team of Deloitte & Touche (Miami). Ms. Clifford has served as a board member of Novelstem International Corp since July 2018. Ms. Clifford obtained a Bachelor of Science degree in accounting from the College of Charleston and a master’s degree in business administration with a concentration in finance from Georgia State University. Ms. Clifford is a licensed CPA in the state of South Carolina and holds a certification in the fundamentals of forensic accounting from the AICPA.

Key Attributes, Experience and Skills. Ms. Clifford brings to the Company over 20+ years as a public company chief financial/accounting officer together with Big 4 public accounting experience and a broad scope of operational experience.

Audit Committee; Audit Committee Financial Expert

The Company has a separate designated standing Audit Committee established and administered in accordance with SEC rules. The three members of the Audit Committee are Samuel M. Zentman (who serves as Chairman of the Audit Committee), Gary Mohr and Michael F. Osterer. The Board of Directors has determined that each member of the Audit Committee meets the independence criteria prescribed by NASDAQ governing the qualifications for audit committee members and each Audit Committee member meets NASDAQ’s financial knowledge requirements. Our Board has determined that Dr. Zentman qualifies as an “audit committee financial expert,” as defined in the rules and regulations of the SEC.

Compensation Committee

Our executive compensation is administered by the Compensation Committee of the Board of Directors. The members of the Compensation Committee are Gary Mohr, Michael F. Osterer and Samuel M. Zentman, all of whom have been determined by the Board to be independent in accordance with NASDAQ’s requirement for independent director oversight of executive officer compensation.

Nominating Committee

The Nominating Committee of our Board of Directors has overall responsibility for identifying, evaluating, recruiting and selecting qualified candidates for election, re-election or appointment to the Board. The Members of the Nominating Committee are Gary Mohr, Samuel M. Zentman and Michael Osterer, all of whom have been determined by the Board to meet the independence criteria prescribed by NASDAQ governing the qualifications of nominating committee members.

Our stockholders may recommend potential director candidates by contacting the Secretary of the Company to receive a copy of the procedure to recommend a potential director candidate for consideration by the Nominating Committee, who will evaluate recommendations from stockholders in the same manner that they evaluate recommendations from other sources.

Section 16(a) Beneficial Ownership Reporting Compliance; Delinquent Section 16(a) Reports

Section 16(a) of the Securities Exchange Act of 1934 (the “Exchange Act”) requires our executive officers and directors, and persons who own more than 10% of a registered class of our equity securities to file reports of ownership and changes in ownership with the SEC. These persons are also required by SEC regulation to furnish us with copies of all Section 16(a) forms they file. Further, we have implemented measures to ensure timely filing of Section 16(a) reports by our executive officers and directors. Based solely on our review of such forms or written representations from certain reporting persons, we believe that during 2025 our executive officers and directors complied with the filing requirements of Section 16(a).

Code of Ethics

We have adopted a Code of Business Conduct and Ethics that applies to all our directors, officers and employees. This code of ethics is designed to comply with the NASDAQ marketplace rules related to codes of conduct. Our code of ethics may be accessed under “Investor Relations” on our website at www.acornenergy.com. We also intend to satisfy any disclosure requirement under Item 5.05 on Form 8-K regarding an amendment to, or waiver from, a provision of our code of ethics by posting such information on our website, www.acornenergy.com.

Insider Trading Policy

We have adopted an Insider Trading Policy governing the purchase, sale and/or other dispositions of our securities by directors, officers and employees, and by the Company itself, that are reasonably designed to promote compliance with insider trading laws, rules and regulations, and any listing standards applicable to us. A copy of the policy is filed as Exhibit 19.1 to this Annual Report on Form 10-K.

ITEM 11. EXECUTIVE COMPENSATION

Executive and Director Compensation

Summary Compensation Table

Executive Compensation for 2025 and 2024

Jan H. Loeb. On January 6, 2025, the Company entered into a new consulting agreement (the “2025 Loeb Consulting Agreement”) extending its arrangements for compensation of Mr. Loeb. Pursuant to the 2025 Loeb Consulting Agreement, Mr. Loeb received cash compensation of $16,780 per month for service as President and CEO of Acorn, and an additional $10,000 per month for service as Acting CEO of OmniMetrix. Mr. Loeb also received a grant of options on January 6, 2025 to purchase 2,200 shares of the Company’s common stock, which are exercisable at an exercise price equal to the January 3, 2025, closing price of the common stock of $17.50 per share. Twenty-five percent (25%) of the options were vested immediately; the remaining options vested in three equal increments on April 1, 2025, July 1, 2025 and October 1, 2025. The exercise period and other terms are otherwise substantially the same as the terms of the options granted by the Company to its outside directors. The 2025 Loeb Consulting Agreement expired on December 31, 2025. The Company and Mr. Loeb entered into a new consulting agreement for 2026 as described below under Employment Arrangements.

On January 2, 2024, the Company entered into a consulting agreement (the “2024 Loeb Consulting Agreement”) extending its arrangements for compensation of Mr. Loeb. Pursuant to the 2024 Loeb Consulting Agreement, Mr. Loeb received cash compensation of $16,780 per month for service as President and CEO of Acorn, and an additional $10,000 per month for serving as Acting CEO of OmniMetrix. Mr. Loeb also received a grant of options on January 2, 2024 to purchase 2,200 shares of the Company’s common stock, which are exercisable at an exercise price equal to the December 29, 2023, closing price of the common stock of $6.09 per share. Twenty-five percent (25%) of the options were vested immediately; the remaining options vested in three equal increments on April 1, 2024, July 1, 2024 and October 1, 2024. The exercise period and other terms are otherwise substantially the same as the terms of the options granted by the Company to its outside directors. The 2024 Consulting Agreement expired on December 31, 2024.

Tracy S. Clifford. On January 1, 2025, the 2024 Clifford Consulting Agreement discussed below for the provision of Ms. Clifford’s services as both CFO of Acorn and COO of OmniMetrix automatically renewed for another one-year term. Pursuant to the 2024 Clifford Consulting Agreement, Ms. Clifford received cash compensation of $18,025 per month. Ms. Clifford also received a grant of options on January 1, 2025 to purchase 2,200 shares of the Company’s common stock, which are exercisable at an exercise price equal to the December 31, 2024, closing price of the common stock of $17.89 per share. Twenty-five percent (25%) of the options were vested immediately; the remaining options vested in three equal increments on April 1, 2025, July 1, 2025 and October 1, 2025. The exercise period and other terms are otherwise substantially the same as the terms of the options granted by the Company to its outside directors. The Company and Ms. Clifford entered into a new consulting agreement for 2026 as described below under Employment Arrangements.

On January 2, 2024, the Company entered into an Amended and Restated Consulting Agreement with Ms. Clifford (the “2024 Clifford Consulting Agreement”) for the provision of Ms. Clifford’s services as both CFO of Acorn and COO of OmniMetrix. The 2024 Clifford Consulting Agreement amended, restated and replaced in its entirety the 2023 Clifford Consulting Agreement. The 2024 Clifford Consulting Agreement had an effective date of January 1, 2024, had an initial one-year term, and was to automatically renew for an additional year upon the expiration of each one-year term unless earlier terminated as provided therein. Pursuant to the 2024 Clifford Consulting Agreement, Ms. Clifford received cash compensation of $18,025 per month. In the event of termination, other than for cause, Ms. Clifford was to be entitled to continuation, for a period of six months following the date of such termination, of the monthly cash compensation in effect at the time of such termination. Pursuant to the terms of the 2024 Clifford Consulting Agreement, Ms. Clifford also received a grant of options on January 2, 2024, to purchase 2,200 shares of the Company’s common stock, which are exercisable at an exercise price equal to the December 29, 2023, closing price of the common stock of $6.09 per share. Twenty-five percent (25%) of the options were vested immediately; the remaining options vested in three equal increments on April 1, 2024, July 1, 2024 and October 1, 2024. On each subsequent anniversary of January 1, 2024, so long as the 2024 Clifford Consulting Agreement has not been terminated, the Company was to grant Ms. Clifford 2,200 stock options exercisable at an exercise price equal to the then-current stock price. Twenty-five percent (25%) of the options were to be vested immediately as of the date of grant; the remaining options were to vest in three equal increments on April 1, July 1 and October 1 during the first nine months following the date of grant. The exercise period and other terms were to be otherwise substantially the same as the terms of the options granted by the Company to its outside directors. This agreement auto renewed on January 1, 2025 as described above.

Stockholder input on executive compensation. Stockholders can provide the Company with their views on executive compensation matters at each year’s annual meeting through the stockholder advisory vote on executive compensation and during the interval between stockholder advisory votes. The Company welcomes stockholder input on our executive compensation matters, and stockholders are able to reach out directly to our independent directors by emailing samzentman@yahoo.com to express their views on executive compensation matters.

Employment Arrangements

The employment arrangements of each named executive officer are described below.

Jan H. Loeb

On January 19, 2026, the Company entered into a new consulting agreement (the “2026 Loeb Consulting Agreement”) between Mr. Loeb and the Company extending its arrangements for compensation of Mr. Loeb for his services as President and CEO of Acorn and as principal executive officer of OmniMetrix in the capacity of Acting CEO. In such capacities, Mr. Loeb acts as a consultant to, and not an employee of, the Company. Pursuant to the 2026 Loeb Consulting Agreement, Mr. Loeb will receive annualized cash compensation of $207,400 for service as President and CEO of Acorn, and an additional $10,300 per month for so long as he serves as Acting CEO of OmniMetrix. Mr. Loeb also received a grant of options on January 19, 2026 to purchase 25,000 shares of the Company’s common stock, which shall be exercisable at an exercise price equal to the January 16, 2026, closing price of the common stock of $19.02 per share. One-twelfth of the options are immediately vested and exercisable; the remaining options will vest and become exercisable in eleven equal quarterly increments beginning on April 1, 2026, unless such vesting is accelerated in connection with a change of control of the Company. The exercise period and other terms are otherwise substantially the same as the terms of the options granted by the Company to its outside directors. The 2026 Loeb Consulting Agreement expires on December 31, 2026, unless terminated early as provided therein.

Tracy S. Clifford

On January 19, 2026, the Company entered into an Amended and Restated Consulting Agreement with Tracy Clifford Consulting, LLC, for the provision of Ms. Clifford’s services to the Company as both CFO of Acorn and COO of OmniMetrix (the “2026 Clifford Consulting Agreement”). In such capacity, Ms. Clifford acts as a consultant to, and not an employee of, the Company. The 2026 Clifford Consulting Agreement amends, restates and replaces in its entirety the 2024 Clifford Consulting Agreement. The 2026 Clifford Consulting Agreement has an effective date of January 1, 2026, has a one-year term, and automatically renews for an additional year upon the expiration of each one-year term unless earlier terminated as provided therein. Pursuant to the 2026 Clifford Consulting Agreement, Ms. Clifford receives annualized cash compensation of $222,789. In the event of termination by the Company other than for cause, Ms. Clifford shall be entitled to a continuation, for a period of six months following the date of such termination by the Company, of the monthly cash compensation in effect at the time of such termination by the Company. Pursuant to the terms of the 2026 Clifford Consulting Agreement, Ms. Clifford also received a grant of options on January 19, 2026, to purchase 25,000 shares of the Company’s common stock, which shall be exercisable at an exercise price equal to the January 16, 2026, closing price of the common stock of $19.02 per share. One-twelfth of the options were immediately vested and exercisable; the remaining options will vest and become exercisable in eleven equal quarterly increments beginning on April 1, 2026, unless such vesting is accelerated in connection with a change of control of the Company. On each subsequent anniversary of January 1, 2026, so long as the 2026 Clifford Consulting Agreement has not been terminated, the Company will grant Ms. Clifford 25,000 stock options exercisable at an exercise price equal to the then-current stock price. One-twelfth of such options will be vested immediately as of the date of the respective grant; the remaining options will vest in eleven equal quarterly increments beginning on April 1 of the year of the respective grant, unless such vesting is accelerated in connection with a change of control of the Company. The exercise period and other terms are otherwise substantially the same as the terms of the options granted by the Company to its outside directors.

Outstanding Equity Awards at 2025 Fiscal Year End

The following table sets forth all outstanding equity awards made to each of the Named Executive Officers that were outstanding at December 31, 2025.

Option and Warrant Exercises

Options were exercised by Tracy Clifford on May 9, 2025, for 1,875 shares at an exercise price of $6.56 per share.

Non-qualified Deferred Compensation

There was no executive non-qualified deferred compensation activity for either of our named executive officers for the year ended December 31, 2025.

Payments and Benefits Upon Termination or Change in Control

Jan H. Loeb

Under the terms of the 2026 Loeb Consulting Agreement, there are no amounts due under any termination scenario.

The vesting of the 25,000 stock options granted on January 19, 2026 under the 2026 Loeb Consulting Agreement would have their vesting accelerated and become fully exercisable immediately prior to the first occurrence of any of the following: (1) the acquisition by any entity or natural person, or a group of entities and/or natural persons acting together, of a majority of the equity interests of the Company, OMX Holdings, Inc. or OmniMetrix, whether through purchase, merger, stock swap, or any similar deal structure; and (2) the sale or other disposition of all or substantially all the assets of the Company, OMX Holdings, Inc. or OmniMetrix.

Tracy S. Clifford

Under the terms of the 2026 Clifford Consulting Agreement, in the event of termination by the Company other than for cause, Ms. Clifford shall be entitled to a continuation, for a period of six months following the date of such termination, of the monthly cash compensation in effect at the time of such termination.

The vesting of the 25,000 stock options granted on January 19, 2026 under the 2026 Clifford Consulting Agreement would have their vesting accelerated and become fully exercisable immediately prior to the first occurrence of any of the following: (1) the acquisition by any entity or natural person, or a group of entities and/or natural persons acting together, of a majority of the equity interests of the Company, OMX Holdings, Inc. or OmniMetrix, whether through purchase, merger, stock swap, or any similar deal structure; and (2) the sale or other disposition of all or substantially all the assets of the Company, OMX Holdings, Inc. or OmniMetrix.

On March 25, 2025, the Company entered into a Change in Control Bonus Agreement with Ms. Clifford. Pursuant to the agreement, if (1) the Company were to consummate a Change in Control (as defined in the agreement) during the period of time beginning on the Effective Date and ending eighteen (18) months thereafter (provided that such period would be extended up to an additional six (6) months if during the aforementioned eighteen (18) month-period the Company were to enter into a definitive agreement or legally binding term sheet for a transaction which would result in a Change in Control), and (2) Ms. Clifford has remained in continuous service as Chief Operating Officer of, or in a similar executive capacity at, OmniMetrix from the Effective Date through consummation of the Change in Control, then the Company would pay her, contemporaneous with the consummation of the Change in Control, a lump-sum cash bonus payment equal to $100,000 multiplied by the number of years (including partial years, for which an appropriate fraction will be added to the number of whole years) in the period commencing December 1, 2019, and ending upon the earlier of (A) consummation of the Change in Control, (B) the date of involuntary termination of her service other than for cause or due to death or disability, or (C) the date of voluntary termination of her service (provided, however, that in the event of voluntary termination of service by Ms. Clifford for any reason prior to a Change in Control, she would be entitled to a payment equal to seventy percent (70%) of the bonus upon the occurrence of a Change in Control within the Change in Control period, payable contemporaneous with the consummation of the Change in Control).

Compensation of Directors in 2025

The Board reviews non-employee director compensation on an annual basis. Our compensation policy for non-employee Directors for 2025 was as follows:

Each non-employee Director (other than the Executive Chairman) received an annual retainer of $15,000, plus an annual grant on January 1 of an option to purchase 625 shares of Company Common Stock.

Upon a non-employee Director’s first election or appointment to the Board, such newly elected/appointed Director will be granted an option to purchase 1,562 shares of Company Common Stock. Each option granted to a newly elected/appointed Director shall vest for the purchase of one-third of the shares purchasable under such option on each of the three anniversaries following the date of the first election or appointment.

All options granted to non-employee Directors shall have an exercise price equal to the closing price of the Company’s Common Stock on its then-current trading platform or exchange on the last trading day immediately preceding the date of grant, and shall, except as described in the preceding paragraph, vest in four quarterly installments beginning on the grant date. Once vested, such options shall be exercisable in whole or in part at all times until the earliest of (i) seven years from the date of grant or (ii) 18 months from the date such Director ceases to be a Director, officer, employee of, or consultant to, the Company.

The chair of the Audit Committee receives an additional annual retainer of $10,000; each Audit Committee member other than the chair receives an additional annual retainer of $2,000.

Each Director may, in his discretion, elect by written notice delivered on or before the first day of each calendar year whether to receive, in lieu of some or all of his retainer and board fees, that number of shares of Company Common Stock as shall have a value equal to the applicable retainer and board fees, based on the closing price of the Company’s Common Stock on its then-current trading platform or exchange on the last trading day immediately preceding the first day of the applicable year. Once made, the election shall be irrevocable for such election year and the shares subject to the election shall vest and be issued one-fourth upon the first day of the election year and one-fourth as of the first day of each of the second through fourth calendar quarters thereafter during the remainder of the election year. A newly-elected or appointed Director may, in his or her discretion, make such an election for the balance of the year in which he or she was elected/appointed by written notice delivered on or before the tenth day after his or her election/appointment to the Board, with the number of shares of Company Common Stock subject to such newly elected/appointed Director’s election to be based on closing price of the Company’s Common Stock on its then-current trading platform or exchange on the last trading day immediately preceding the day of such newly elected/appointed Director’s election/appointment.

The following table sets forth information concerning the compensation earned for service on our Board of Directors during the fiscal year ended December 31, 2025 by each individual who served as a director at any time during the fiscal year (other than Mr. Loeb who was not separately compensated for his Board service).

DIRECTOR COMPENSATION IN 2025

Director Compensation Change for 2026

On January 19, 2026, the Company amended its compensation policy for non-employee Directors. On January 1, each non-employee Director will receive an annual grant of options to purchase 3,125 shares of our common stock, with such options to vest and become exercisable in four quarterly increments beginning on the grant date. Upon a non-employee Director’s first election or appointment to the Board, such newly elected/appointed Director will be granted an option to purchase 3,125 shares of Company Common Stock. The other elements of our compensation policy for non-employee Directors remain unchanged from 2025.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

OWNERSHIP OF THE COMPANY’S COMMON STOCK

The following table and the notes thereto set forth information, as of March 3, 2026, concerning beneficial ownership (as defined in Rule 13d-3 under the Securities Exchange Act of 1934) of common stock by (i) each director of the Company, (ii) each executive officer (iii) all executive officers and directors as a group, and (iv) each holder of 5% or more of the Company’s outstanding shares of common stock.

* Less than 1%

EQUITY COMPENSATION PLAN INFORMATION

The table below provides certain information concerning our equity compensation plans as of December 31, 2025.

The grants made under our equity compensation plans not approved by security holders represent 54,110 options which were granted under our 2006 Stock Incentive Plan following the original expiration of the Plan on February 8, 2017. These grants were made to directors and officers at exercise prices equal to the fair market value on the date of the grant. The options generally vest over a one-year period and expire seven years from the date of the grant. In February 2019, the Company’s Board ratified all option grants made under our 2006 Stock Incentive Plan following the original expiration of the Plan on February 8, 2017 and extended the expiration date of the Amended and Restated 2006 Stock Incentive Plan until December 31, 2024. In March 2025, the Company’s Board ratified all option grants made under our Amended and Restated 2006 Stock Incentive Plan following expiration of the Plan on December 31, 2024 and extended the expiration date of the Amended and Restated 2006 Stock Incentive Plan until December 31, 2034.

Equity awards are granted to our named executive officers pursuant to the terms of their consulting agreements. The 2025 Loeb Consulting Agreement provided for, on the date the agreement was executed, a grant to Mr. Loeb of 2,200 stock options exercisable at an exercise price equal to the then-current stock price. The 2024 Clifford Consulting Agreement called for, on each anniversary of January 1, 2024, so long as the 2024 Clifford Consulting Agreement had not been terminated, a grant to Ms. Clifford of 2,200 stock options exercisable at an exercise price equal to the then-current stock price (such a grant was made on January 1, 2025). The 2026 Loeb Consulting Agreement and the 2026 Clifford Consulting Agreement each provided for, on the date the respective agreement was executed, a grant of 25,000 stock options, respectively, to Mr. Loeb and Ms. Clifford, exercisable at an exercise price equal to the then-current stock price (and the 2026 Clifford Consulting Agreement provides for additional grants to Ms. Clifford of 25,000 stock options on each anniversary of January 1, 2026, so long as the agreement has not been terminated). Our director compensation policy currently calls for an annual grant of stock options to our directors on the first day of the applicable fiscal year. In addition, equity awards may be granted at other times during the year to new hires, employees receiving promotions, and in other special circumstances.

We do not grant equity awards in anticipation of the release of material, nonpublic information or time the release of material, nonpublic information based on equity award grant dates, vesting events, or sale events. For all stock option awards, the exercise price is the closing price of our common stock on the NASDAQ marketplace on the last trading day preceding the date of grant.

ITEM 13. CERTAIN RELATIONSHIPS, RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE

Director Independence

Applying the definition of independence provided under the NASDAQ rules, the Board has determined that with the exception of Jan H. Loeb, all of the members of the Board of Directors are independent. The Board has also determined that all of the members of the Audit Committee, the Compensation Committee and the Nominating Committee are independent under the NASDAQ independence standards for such committees.

ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES

Accounting Fees

The following table summarizes the fees billed to Acorn for professional services rendered by CBIZ CPAs P.C and Marcum, LLP for the years ended December 31, 2025 and 2024, respectively.

Audit Fees were for professional services rendered for the audits of the consolidated financial statements of the Company, assistance with review of documents filed with the SEC, consents, and other assistance required to be performed by our independent accountants.

Tax Fees generally consist of tax compliance fees.

Pre-Approval Policies and Procedures

The Audit Committee’s current policy is to pre-approve all audit and non-audit services that are to be performed and fees to be charged by our independent auditor to assure that the provision of these services does not impair the independence of the auditor. The Audit Committee pre-approved all audit and non-audit services rendered by our principal accountant in 2025 and 2024.

PART IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)(1) List of Financial Statements of the Registrant

The consolidated financial statements of the Registrant and the reports thereon of the Registrant’s Independent Registered Public Accounting Firms are included in this Annual Report beginning on page F-1.

ITEM 16. FORM 10-K SUMMARY

Not applicable.

(a)(3) List of Exhibits

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Wilmington, State of Delaware, on March 5, 2026.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons on behalf of the registrant, in the capacities and on the dates indicated.

ACORN ENERGY, INC. AND SUBSIDIARIES

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors of

Acorn Energy, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheet of Acorn Energy, Inc. and subsidiaries (the “Company”) as of December 31, 2025, the related consolidated statements of operations, changes in equity (deficit) and cash flows for the year ended December 31, 2025, and the related notes (collectively referred to as the “financial statements”). In our opinion, based on our audit, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025, and the results of its operations and its cash flows for the year ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audit. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audit included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable basis for our opinion.

Critical Audit Matters

Critical audit matters are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. We determined that there are no critical audit matters.

/s/ CBIZ CPAs P.C.

CBIZ CPAs P.C.

We have served as the Company’s auditor since 2010 (such date takes into account the acquisition of the attest business of Marcum LLP by CBIZ CPAs P.C. effective November 1, 2024).

Marlton, New Jersey
March 5, 2026

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Stockholders and Board of Directors of

Acorn Energy, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheet of Acorn Energy, Inc. (the “Company”) as of December 31, 2024, the related consolidated statements of operations, changes in equity (deficit), and cash flows for the year ended December 31, 2024, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024, and the results of its operations and its cash flows for the year ended December 31, 2024, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audit. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audit included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable basis for our opinion.

Marcum LLP

We have served as the Company’s auditor from 2010-2025.

Marlton, New Jersey 

March 6, 2025

ACORN ENERGY, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)

The accompanying notes are an integral part of these consolidated financial statements.

ACORN ENERGY, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(IN THOUSANDS, EXCEPT PER SHARE DATA)

The accompanying notes are an integral part of these consolidated financial statements.

ACORN ENERGY, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (DEFICIT)

(IN THOUSANDS)