What Does Hyliion Holdings Corp.'s 19.3% Stock Drop Mean for Investors? The Law Offices of Howard G. Smith Outlines Securities Fraud Class Action Lead Plaintiff Deadline

Suit alleges Hyliion Holdings Corp. failed to disclose key facts to investors from May 12, 2026 through June 23, 2026; lead plaintiff deadline is October 27, 2026 The Law Offices of Howard G. Smith today reported that a securities class action lawsuit is pending against Hyliion Holdings Corp. ("Hyliion" or the "Company") (NYSE: HYLN ) on behalf of investors who acquired its securities from May 12, 2026 through June 23, 2026. The Hyliion Holdings Corp. case, Olmeta v. Hyliion Holdings Corp., et al. , was filed on August 28, 2026 in the U.S. District Court for the Western District of Texas (Case No. 1:26-cv-02375). Investors with losses on Hyliion Holdings Corp. securities can contact the Law Offices of Howard G. Smith about the Hyliion Holdings Corp. lawsuit before the October 27, 2026 lead plaintiff deadline. Key deadlines and dates for Hyliion Holdings Corp. investors Lead plaintiff deadline: October 27, 2026 Class period: May 12, 2026 through June 23, 2026 Complaint filed: August 28, 2026 What happened? On June 23, 2026, Pelican Way Research issued a report entitled "Hyliion: A Glorified Science Project Who Has Continuously Failed to Meet Expectations And Is Now Throwing Around A Meaningless Deal." The report alleged that a recent letter of intent the Company announced with VFG Holdings, LLC ("VFG") for a major deal "is a sham" because VFG "does not appear to have any substance," has a website that "contains just two pages" and appears to only have four employees. The report called into question whether VFG is an "AI data center integrator" capable of the deal previously announced by the Company. On this news, the price of Hyliion stock fell $1.27 per share, or 17.2%, to close at $6.10 on June 23, 2026, thereby injuring investors. The following day, Hyliion stock fell another $1.18 per share, or 19.3%, to close at $4.92 on June 24, 2026, thereby injuring investors further. What is the Hyliion Holdings Corp. lawsuit about? The Hyliion Holdings Corp. securities lawsuit alleges that, between May 12, 2026 and June 23, 2026, defendants made materially false and/or misleading statements and failed to disclose material adverse facts about Hyliion Holdings Corp.'s business, operations, and prospects. Specifically, the complaint alleges defendants failed to disclose that: (1) in order to cause rapid price appreciation in Hyliion stock, Defendants announced a deal with an entity that was very recently formed and does not appear to have any actual business operations; (2) the Individual Defendants timed the announcement and foregoing price appreciation to insider trade; and (3) as a result, defendants' positive statements about Hyliion Holdings Corp.'s business, operations, and prospects were materially misleading and/or lacked a reasonable basis. " The lawsuit against Hyliion Holdings Corp. alleges that, among other things, the Company failed to tell investors that in order to cause rapid price appreciation in Hyliion stock, Defendants announced a deal with an entity that was very recently formed and does not appear to have any actual business operations. Hyliion Holdings Corp. investors who bought during the class period may be able to pursue their losses, and the October 27, 2026 deadline is where that process begins, " said Howard G. Smith of The Law Offices of Howard G. Smith. Next steps for Hyliion Holdings Corp. investors Hyliion Holdings Corp. investors who suffered losses may contact The Law Offices of Howard G. Smith to learn about pursuing their claims. Lead plaintiff motions in the Hyliion Holdings Corp. class action are due to the Court by October 27, 2026. For more information, visit the firm's website , email [email protected] , or call (215) 638-4847. If you purchased Hyliion Holdings Corp. securities during the class period, you may retain counsel of your choice, or you may take no action and remain an absent class member. No class has been certified in the Hyliion Holdings Corp. case so far. Common questions from Hyliion Holdings Corp. investors Who is eligible? Investors who acquired Hyliion Holdings Corp. securities from May 12, 2026 through June 23, 2026 and suffered losses may qualify for the class in the Hyliion Holdings Corp. shareholder lawsuit. What is the deadline? Lead plaintiff motions in the Hyliion Holdings Corp. case are due by October 27, 2026. Can I recover without being lead plaintiff? Yes, Hyliion Holdings Corp. investors may take no action and remain absent class members. Does it cost anything? The Law Offices of Howard G. Smith works on contingency, so investors pay no attorneys' fees unless there is a recovery, and any fees require court approval. About The Law Offices of Howard G. Smith The Law Offices of Howard G. Smith has helped injured investors recover their money for more than 15 years. The firm prosecutes securities fraud, takeover, and derivative litigation against public companies and their officers, directors, and advisors in federal and state courts nationwide, and has helped clients recover hundreds of millions of dollars in losses. Clients speak directly with a lawyer, who will promptly answer any question. Prior results do not guarantee a similar outcome. Related links Hyliion Holdings Corp. case page, The Law Offices of Howard G. Smith Complaint: Olmeta v. Hyliion Holdings Corp., et al., U.S. District Court for the Western District of Texas Pelican Way Research report Hyliion Holdings Corp. SEC filings index, EDGAR The Law Offices of Howard G. Smith Contact Howard G. Smith The Law Offices of Howard G. Smith 3070 Bristol Pike, Suite 112 Bensalem, PA 19020 Email: [email protected] Telephone: (215) 638-4847 www.howardsmithlaw.com This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules. SOURCE Law Offices of Howard G. Smith