Workhorse Group Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

For the fiscal year ended December 31, 2025

OR

For the transition period from_________ to_________

Commission file number:001-37673

WORKHORSE GROUP INC.

(Exact name of registrant as specified in its charter)

Securities Registered Pursuant to Section 12(b) of the Exchange Act:

Securities Registered Pursuant to Section 12(g) of the Exchange Act: None.

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

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

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 x 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 x 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. Yes ☐ No☒

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 Exchange Act). Yes ☐ No☒

As of June 30, 2025, the last business day of the Registrant’s most recently completed second fiscal quarter, the market value of our common

stock held by non-affiliates was $11,644,380.

The number of shares of the Registrant’s Common Stock, $0.001 par value per share, outstanding as of March 24, 2026, was 10,449,858.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for the registrant's 2026 Annual Meeting of Stockholders, to be filed within 120 days of the end of the fiscal year ended December 31, 2025, are incorporated by reference into Part III of this Form 10-K.

TABLE OF CONTENTS

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Forward-Looking Statements

The discussions in this Annual Report on Form 10-K (this “Report”) contain forward-looking statements reflecting our current expectations that involve risks and uncertainties. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. When used in this Report, the words “anticipate,” “expect,” “plan,” “believe,” “seek,” “estimate” and similar expressions are intended to identify forward-looking statements. These are statements that relate to future periods and include, but are not limited to, statements about the anticipated benefits of our merger with Motiv Power Systems, Inc., the features, benefits and performance of our products, our ability to introduce new product offerings and increase revenue from existing products, expected expenses including those related to selling and marketing, product development and general and administrative, our beliefs regarding the health and growth of the market for our products, anticipated increase in our customer base, expansion of our products functionalities, expected revenue levels and sources of revenue, expected impact, if any, of legal proceedings, the adequacy of our liquidity and capital resources, including our ability to receive sufficient funding from our existing financing arrangements or from future financings and the expected terms of such financing, and expected growth in business. Forward-looking statements are statements that are not historical facts. Such forward-looking statements are subject to risks and uncertainties, which could cause actual results to differ materially from the forward-looking statements contained in this Report.

Factors that could cause actual results to differ materially include, but are not limited to: our ability to develop and manufacture our product portfolio, including the Class 5/6 W56 Step Van, Class 5/6 Stripped Chassis, Class 4 EPIC4 Shuttle Bus, School Bus, Box Truck, and Work Truck, and other programs; our ability to attract and retain customers for our existing and new products; ongoing, anticipated or unexpected changes in the U.S. political environment, including those resulting from the current presidential administration, control of Congress, and changes to regulatory agencies; the implementation of changes to the existing tariff regime by the current presidential administration and measures taken in response to such tariffs by foreign governments; risks associated with obtaining orders and executing upon such orders; the unavailability, reduction, elimination or adverse application of government subsidies and incentives or any challenge to or failure by the federal government, states or other governmental entities to adopt or enforce regulations such as the California Air Resource Board’s Advanced Clean Fleet regulation; changes in attitude toward environmental, social, and governance matters among regulators, investors, and parties with which we do business; supply chain disruptions, including constraints on steel, semiconductors and other material inputs and resulting cost increases impacting our Company, our customers, our suppliers or the industry; our ability to capitalize on opportunities to deliver products to meet customer requirements; our limited operations and need to expand and enhance elements of our production process to fulfill product orders; our general inability to raise additional capital to fund our operations and business plan; our ability to receive sufficient proceeds from our current and any future financing arrangements to meet our liquidity needs and the potential costs, dilution and restrictions resulting from any such financing; our ability to maintain the listing of our securities on the Nasdaq Capital Markets and the impact of any steps we have taken, including reverse splits of our Common Stock, or any future steps we may take to regain such compliance, on our operations, stock price and future access to liquidity; our ability to protect our intellectual property; market acceptance of our products; our ability to obtain sufficient liquidity from operations and financing activities to continue as a going concern and, our ability to control our expenses; the effectiveness of our cost control measures and impact such measures could have on our operation; potential competition, including without limitation shifts in technology; volatility in and deterioration of national and international capital markets and economic conditions; global and local business conditions; acts of war (including without limitation the ongoing war in Ukraine and conflicts in the Middle East) and/or terrorism; the prices being charged by our competitors; our inability to retain key members of our management team; our inability to satisfy our customer warranty claims; the outcome of any regulatory or legal proceedings, including with Coulomb Solutions Inc.; and other risks and uncertainties and other factors discussed from time to time in our filings with the Securities and Exchange Commission (“SEC”), including under the “Risk Factors” section of this Report.

Forward-looking statements speak only as of the date hereof. We expressly disclaim any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in our expectations with regard thereto or any change in events, conditions or circumstances on which any such statement is based, except as required by law.

All references in this Report that refer to the “Company”, “Workhorse Group”, “Workhorse”, “we,” “us” or “our” are to Workhorse Group Inc.

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