UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )

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Filed by a party other than the Registrant ☐

Check the appropriate box:

☐ | Preliminary Proxy Statement

☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ | Definitive Proxy Statement

☒ | Definitive Additional Materials

☐ | Soliciting Material under § 240.14a-12

WORKHORSE GROUP INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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☐ | Fee paid previously with preliminary materials.

☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a- 6(i)(1) and 0-11

This Schedule 14A filing consists of communications from Workhorse Group Inc. (“Workhorse” or the “Company”), to the Company’s employees, customers, partners and analysts relating to the Agreement and Plan of Merger, dated August 15, 2025, by and among the Company, Motiv Power Systems, Inc., a Delaware corporation (“Motiv”), Omaha Intermediate 2, Inc., a Delaware corporation, Omaha Intermediate, Inc., a Delaware corporation, and Omaha Merger Subsidiary, Inc., a Delaware corporation (the “Merger Agreement”).

Today, the following communication was distributed by the Company:

Dear Workhorse Shareholders, We are reaching out to remind you to VOTE TODAY FOR ALL PROPOSALS in connection with Workhorse’s upcoming Annual Meeting on November 12, 2025. Workhorse and Motiv are combining in an all - stock transaction that will create a leading North American medium - duty electric truck OEM. To ensure that shareholders are appropriately informed about the various proposals to be voted on at the Annual Meeting, the voting process itself, and the benefits of voting FOR all of the proposals, we have answered your most frequently asked questions: 1. Why should I vote for the Workhorse – Motiv merger? – Our combination with Motiv will provide Workhorse shareholders the opportunity to participate in the potential upside of a leader in the medium - duty EV commercial vehicle market, with a significant ownership stake in the combined company. – The only way for our shareholders to participate in this potential upside and benefit from long - term growth and value creation is by getting out today and voting FOR the Workhorse - Motiv transaction, as well as the other proposals up for a vote at the Annual Meeting. 2. What proposals do I need to vote on at the Workhorse Annual Meeting? Do I need to vote on all of them? – There are nine proposals up for a vote at the Workhorse Annual Meeting . – In order for us to complete the transaction with Motiv, and for our shareholders to participate in the potential upside of the combined company, we need Workhorse shareholders to approve all nine of the proposals in connection with the Meeting . – We therefore encourage you to vote FOR all of the proposals in connection with the meeting as soon as possible. Vote FOR the Workhorse - Motiv Transaction Today EVERY VOTE COUNTS!

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3. What if the Workhorse merger doesn’t go through? – If Workhorse shareholders do not vote for the merger proposals, the transaction will not close, and Workhorse will have to continue as an independent company. – We will not get access to the financial resources the transaction would provide, and Workhorse shareholders would not have the opportunity to participate in the potential upside of the combined company. – If Workhorse continues as an independent company, we will likely continue to face liquidity issues and may need to pursue a restructuring, in which shareholders’ equity would likely recover very little or no value. – The Workhorse Board of Directors looked at all other viable paths forward and thoroughly explored several alternatives for Workhorse and our shareholders. – We believe our future with Motiv is the best option for our Company and your investment. 4. Why is Workhorse doing a reverse stock split? Can I vote for the transaction and not the reverse stock split? – Because the merger involves a change of control of Workhorse, Workhorse will be treated as a new applicant for Nasdaq listing and must meet Nasdaq’s initial listing standards. Those standards include a minimum price threshold. As a result, a reverse stock split will likely be necessary to enable Workhorse to complete its transaction with Motiv. – We encourage shareholders to get their votes in FOR the reverse stock split and all of the other proposals in connection with the meeting.

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5. How do I vote for the Workhorse - Motiv transaction? – You can vote for all nine proposals by: 1. Attending the Workhorse Annual Meeting virtually on November 12, 2025 2. Voting online before the meeting at www.proxyvote.com 3. Voting online during the meeting at www.virtualshareholdermeeting.com/WKHS2025 4. Completing, signing, dating, and returning a proxy card to the mailing address provided – If you are a beneficial owner of shares of Workhorse Common Stock, please refer to the vote instruction form provided by your broker, bank, or nominee. 6. I recently sold my shares but received a proxy card. Can I still vote at the Annual Meeting? – If you held shares as of the record date of September 18, 2025, but have sold your shares following that date, you are still eligible to vote at the 2025 Annual Meeting. – We encourage all eligible voters to vote FOR all proposals. 7. What is the deadline for getting my vote in for the Workhorse Annual Meeting? – Votes must be received at the Workhorse Annual Meeting or in advance of the Meeting, which is scheduled for November 12, 2025. – It is imperative that Workhorse shareholders approve all nine proposals to ensure that Workhorse can complete the transaction with Motiv. VOTE TODAY! To capture our long - term growth opportunities, we need your VOTE FOR ALL PROPOSALS at the Annual Meeting. Every vote counts! Thank you for your continued support of Workhorse.

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Forward - Looking Statements This communication contains “forward - looking statements” within the meaning of Section 21E of the Exchange Act, and the Private Securities Litigation Reform Act of 1995, as amended. All statements other than statements of historical fact included in this communication, including, among other things, statements regarding the proposed Merger and other transactions described herein, future events, plans and anticipated results of operations, business strategies, the anticipated benefits of the proposed transactions, the anticipated impact of the proposed transaction on the combined company’s business and future financial and operating results, the expected amount and timing of synergies from the proposed transaction, the anticipated closing date for the proposed transaction and other aspects of either company’s operations or operating results are forward - looking statements. Some of these statements may be identified by the use of the words “plans”, “expects” or “does not expect”, “estimated”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates” or “does not anticipate”, “targets”, “projects”, “contemplates”, “predicts”, “potential”, “continue”, or “believes”, or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “should”, “might”, “will” or “will be taken”, “occur” or “be achieved”. Forward - looking statements are based on the opinions and estimates of management of Workhorse as of the date such statements are made, and they are subject to known and unknown risks, uncertainties, assumptions and other factors that may cause the actual results, level of activity, performance or achievements to be materially different from those expressed or implied by such forward - looking statements. These risks and uncertainties could give rise to a delay in or the failure to consummate the Merger or the other transactions described herein (collectively, the “Transactions”). Some factors that could cause actual results to differ include the outcome of continuing discussions between the Workhorse and Motiv with respect to the Transactions, including the possibility that the parties may terminate certain of the Transactions or that the terms of certain of the Transactions may change; our ability to consummate the Transactions or achieve the expected synergies and/or efficiencies; potential regulatory delays; the industry and market reaction to this announcement; the effect of the announcement of the Transactions on the ability of the parties to operate their businesses and retain and hire key personnel and to maintain favorable business relationships; the possibility that the integration of the parties may be more difficult, time - consuming or costly than expected or that operating costs and business disruptions may be greater than expected; the ability to obtain regulatory and other approvals required to consummate the Transactions, including from Nasdaq; the risk that the price of our securities may be volatile due to a variety of factors; changes in laws, regulations, technologies, the global supply chain, and macro - economic and social environments affecting our business; and our ability to maintain compliance with Nasdaq rules and otherwise maintain our listing of securities on Nasdaq. Additional information on these and other factors that may cause actual results and Workhorse’s performance to differ materially is included in Workhorse’s periodic reports filed with the SEC, including, but not limited to, Workhorse’s Annual Report on Form 10 - K for the year ended December 31, 2024, including those factors described under the heading “Risk Factors” therein, and Workhorse’s subsequent Quarterly Reports on Form 10 - Q. Copies of Workhorse’s filings with the SEC are available publicly on the SEC’s website at www.sec.gov or may be obtained by contacting Workhorse. Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward - looking statements. Readers are cautioned not to place undue reliance upon any forward - looking statements, which speak only as of the date made. These forward - looking statements are made only as of the date hereof, and Workhorse undertakes no obligations to update or revise the forward - looking statements, whether as a result of new information, future events or otherwise, except as required by law. Additional Information and Where to Find It Workhorse has filed with the U.S. Securities and Exchange Commission (the “SEC”) a definitive proxy statement on Schedule 14A (the “Definitive Proxy Statement”) and a proxy card with respect to its solicitation of proxies for Workhorse’s 2025 Annual Meeting of Stockholders (the “Annual Meeting”). The Definitive Proxy Statement contains important information about the matters to be voted on at the Annual Meeting. STOCKHOLDERS OF WORKHORSE ARE URGED TO READ THESE MATERIALS CAREFULLY AND IN THEIR ENTIRETY (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS THAT WORKHORSE HAS FILED OR WILL FILE WITH THE SEC BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT WORKHORSE AND THE MATTERS TO BE VOTED ON AT THE ANNUAL MEETING. Stockholders are able to obtain a free copy of the Proxy Statement and other relevant documents once such documents are filed with the SEC from the SEC’s website at www.sec.gov, or by directing a request by mail to Workhorse Group Inc., 3600 Park 42 Drive, Suite 160E, Sharonville, Ohio 45241, or from the Workhorse’s website at www.ir.workhorse.com. Participants in the Solicitation Workhorse and certain of its directors and officers may be deemed to be “participants” in the solicitation of proxies in respect of the matters to be considered about the Annual Meeting. Information concerning the directors and officers of Workhorse and interests of the persons who may be considered “participants” in the solicitation is set forth in Amendment No. 1 to Workhorse’s Annual Report on Form 10 - K for the year ended December 31, 2024, including under the headings “Item 10. Directors, Executive Officers and Corporate Governance”, “Item 11. Executive Compensation”, “Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters” and “Item 13. Certain Relationships and Related Transactions, and Director Independence”, filed with the SEC on April 30, 2025, and available at https:// www.sec.gov/ix?doc=/Archives/ edgar/data/1425287/000121390025037631/ea0239686 - 10ka1_workhorse. htm. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement and other relevant materials to be filed with the SEC regarding the proposed transaction when such materials become available. Investors should read the proxy statement carefully when it becomes available before making any voting or investment decisions. Copies of these documents can be obtained, without charge, at the SEC’s website at www.sec.gov, or by directing a request to Workhorse at the address above, or at www.ir.workhorse.com. Banks and Brokers Call: (203) 658 - 9400 Stockholders Call Toll Free: (800) 662 - 5200 E - mail: WKHS@investor.sodali.com VOTE TODAY! Your vote is very important. It does not matter how many shares you own. Our Annual Meeting is scheduled for November 12, 2025. Vote today by proxy card, online or by phone. For more information and additional materials visit www.votewkhs.com 430 Park Avenue 14th Floor New York, NY 10022

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Additional Information and Where to Find It

Workhorse has filed with the U.S. Securities and Exchange Commission (the “SEC”) a definitive proxy statement on Schedule 14A (the “Definitive Proxy Statement”) and a proxy card with respect to its solicitation of proxies for Workhorse’s 2025 Annual Meeting of Stockholders (the “Annual Meeting”). The Definitive Proxy Statement contains important information about the matters to be voted on at the Annual Meeting. STOCKHOLDERS OF WORKHORSE ARE URGED TO READ THESE MATERIALS CAREFULLY AND IN THEIR ENTIRETY (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS THAT WORKHORSE HAS FILED OR WILL FILE WITH THE SEC BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT WORKHORSE AND THE MATTERS TO BE VOTED ON AT THE ANNUAL MEETING. Stockholders are able to obtain a free copy of the Proxy Statement and other relevant documents once such documents are filed with the SEC from the SEC’s website at www.sec.gov, or by directing a request by mail to Workhorse Group Inc., 3600 Park 42 Drive, Suite 160E, Sharonville, Ohio 45241, or from the Workhorse’s website at www.ir.workhorse.com.

Participants in the Solicitation

Workhorse and certain of its directors and officers may be deemed to be “participants” in the solicitation of proxies in respect of the matters to be considered about the Annual Meeting. Information concerning the directors and officers of Workhorse and interests of the persons who may be considered “participants” in the solicitation is set forth in Amendment No. 1 to Workhorse’s Annual Report on Form 10-K for the year ended December 31, 2024, including under the headings “Item 10. Directors, Executive Officers and Corporate Governance”, “Item 11. Executive Compensation”, “Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters” and “Item 13. Certain Relationships and Related Transactions, and Director Independence”, filed with the SEC on April 30, 2025, and available at https://www.sec.gov/ix?doc=/Archives/edgar/data/1425287/000121390025037631/ea0239686-10ka1_workhorse.htm. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement and other relevant materials to be filed with the SEC regarding the proposed transaction when such materials become available. Investors should read the proxy statement carefully when it becomes available before making any voting or investment decisions. Copies of these documents can be obtained, without charge, at the SEC’s website at www.sec.gov, or by directing a request to Workhorse at the address above, or at www.ir.workhorse.com.

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Additional Information and Where to Find It

Workhorse has filed with the U.S. Securities and Exchange Commission (the “SEC”) a definitive proxy statement on Schedule 14A (the “Definitive Proxy Statement”) and a proxy card with respect to its solicitation of proxies for Workhorse’s 2025 Annual Meeting of Stockholders (the “Annual Meeting”). The Definitive Proxy Statement contains important information about the matters to be voted on at the Annual Meeting. STOCKHOLDERS OF WORKHORSE ARE URGED TO READ THESE MATERIALS CAREFULLY AND IN THEIR ENTIRETY (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS THAT WORKHORSE HAS FILED OR WILL FILE WITH THE SEC BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT WORKHORSE AND THE MATTERS TO BE VOTED ON AT THE ANNUAL MEETING. Stockholders are able to obtain a free copy of the Proxy Statement and other relevant documents once such documents are filed with the SEC from the SEC’s website at www.sec.gov, or by directing a request by mail to Workhorse Group Inc., 3600 Park 42 Drive, Suite 160E, Sharonville, Ohio 45241, or from the Workhorse’s website at www.ir.workhorse.com.

Participants in the Solicitation

Workhorse and certain of its directors and officers may be deemed to be “participants” in the solicitation of proxies in respect of the matters to be considered about the Annual Meeting. Information concerning the directors and officers of Workhorse and interests of the persons who may be considered “participants” in the solicitation is set forth in Amendment No. 1 to Workhorse’s Annual Report on Form 10-K for the year ended December 31, 2024, including under the headings “Item 10. Directors, Executive Officers and Corporate Governance”, “Item 11. Executive Compensation”, “Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters” and “Item 13. Certain Relationships and Related Transactions, and Director Independence”, filed with the SEC on April 30, 2025, and available at https://www.sec.gov/ix?doc=/Archives/edgar/data/1425287/000121390025037631/ea0239686-10ka1_workhorse.htm. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement and other relevant materials to be filed with the SEC regarding the proposed transaction when such materials become available. Investors should read the proxy statement carefully when it becomes available before making any voting or investment decisions. Copies of these documents can be obtained, without charge, at the SEC’s website at www.sec.gov, or by directing a request to Workhorse at the address above, or at www.ir.workhorse.com.

Cautionary Note Regarding Forward-Looking Statements

This communication contains “forward-looking statements” within the meaning of Section 21E of the Exchange Act, and the Private Securities Litigation Reform Act of 1995, as amended. All statements other than statements of historical fact included or incorporated by reference in this communication, including, among other things, statements regarding the proposed merger transaction between Workhorse and Motiv, future events, plans and anticipated results of operations, business strategies, the anticipated benefits of the proposed transaction, the anticipated impact of the proposed transaction on the combined company’s business and future financial and operating results, the expected amount and timing of synergies from the proposed transaction, the anticipated closing date for the proposed transaction and other aspects of the combined company’s operations or operating results are forward-looking statements. Forward-looking statements may be identified by the use of the words “believe”, “plan”, “expect”, “estimate”, “budget”, “schedule”, “forecast”, “intend”, “anticipate”, “target”, “project”, “contemplate”, “predict”, “potential”, or “continue”, and similar words or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “should”, “might”, “will” or “will be taken”, “occur” or “be achieved”. However, the absence of these words does not mean that the statements are not forward-looking. Where, in any forward-looking statement, Workhorse expresses an expectation or belief as to future results, such expectation or belief is expressed in good faith and believed to be reasonable at the time such forward-looking statement is made. However, these statements are not guarantees of future performance and involve certain risks, uncertainties and other factors beyond the parties’ control. Therefore, actual outcomes and results may differ materially from what is expressed or forecast in the forward-looking statements.

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The following risks and uncertainties, among others, could cause actual results or events to differ materially from those described in forward-looking statements: the parties’ ability to successfully integrate their businesses and technologies, which may result in the combined company not operating as effectively and efficiently as expected; the risk that the expected benefits and synergies of the proposed transaction may not be fully achieved in a timely manner, or at all; the risk associated with Workhorse’s ability to obtain the approval of its shareholders required to consummate the proposed transaction and the timing of the closing of the proposed transaction, including the risk that the conditions to the transaction are not satisfied on a timely basis or at all or the failure of the transaction to close for any other reason or to close on the anticipated terms; the risk that any regulatory approval, consent or authorization that may be required for the proposed transaction is not obtained or is obtained subject to conditions that are not anticipated; the occurrence of any event, change or other circumstance that could give rise to the termination of the proposed transaction; unanticipated difficulties, liabilities or expenditures relating to the transaction; the effect of the announcement, pendency or completion of the proposed transaction on the parties’ business relationships and business operations generally; the effect of the announcement or pendency of the proposed transaction on Workhorse’s common stock prices and uncertainty as to the long-term value of the combined company’s common stock; risks that the proposed transaction disrupts current plans and operations of the parties and their respective management teams and potential difficulties in hiring or retaining employees as a result of the proposed transaction; our ability to develop and manufacture our product portfolio, including the W4 CC, W750, and W56 and other programs; our ability to attract and retain customers for our existing and new products; ongoing and anticipated changes in the U.S. political environment, including those resulting from the new Presidential Administration, control of Congress, and changes to regulatory agencies; the implementation of changes to the existing tariff regime by the new 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 us, 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 immediate liquidity needs and the potential costs, dilution and restrictions resulting from any such financing; our ability to maintain compliance with the listing requirements of the Nasdaq and the impact of any steps we have taken, including reverse splits of our common stock, on our operations, stock price and future access to funds; 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 operations, including the effects of furloughing employees; 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 conflicts in Ukraine and 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.; our ability to realize the benefits of the sale and leaseback transaction of our Union City Facility; and other risks and uncertainties and other factors discussed from time to time in our filings with the Securities and Exchange Commission (“SEC”).

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Additional information on these and other factors that may cause actual results and Workhorse’s performance to differ materially is included in Workhorse’s periodic reports filed with the SEC, including, but not limited to, Workhorse’s Annual Report on Form 10-K for the year ended December 31, 2024, including those factors described under the heading “Risk Factors” therein, and Workhorse’s subsequent Quarterly Reports on Form 10-Q. Copies of Workhorse’s filings with the SEC are available publicly on the SEC’s website at www.sec.gov or may be obtained by contacting Workhorse. Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. Readers are cautioned not to place undue reliance upon any forward-looking statements, which speak only as of the date made. These forward-looking statements are made only as of the date hereof, and Workhorse undertakes no obligations to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

No Offer or Solicitation

This communication is not intended to and does not constitute an offer to buy or sell or the solicitation of an offer to buy or sell any securities, or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

No offering of securities will be made except by means of a prospectus meeting the requirements of the Securities Act of 1933, as amended, or an exemption therefrom.

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