WHY:<\/strong> Rosen Law Firm, a global investor rights law firm, announces it has filed a class action lawsuit on behalf of purchasers of securities of Hyliion Holdings Corp. (NYSE American: HYLN) between May 12, 2026 and June 23, 2026, both dates inclusive (the \u201cClass Period\u201d). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court\u00a0no later than October 27, 2026<\/strong> in the securities class action first filed by the Firm.<\/p>\n SO WHAT: <\/strong>If you purchased Hyliion securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.<\/p>\n WHAT TO DO NEXT:<\/strong> To join the Hyliion class action, go to https:\/\/rosenlegal.com\/cases\/hyliion-holdings-corp\/join<\/a> or call Phillip Kim, Esq. toll-free at 866-767-3653 or email case@rosenlegal.com<\/a> for information on the class action. A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than October 27, 2026.<\/strong> A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation.<\/p>\n WHY ROSEN LAW:<\/strong> We encourage investors to select qualified counsel with a track record of success in leadership roles. Often, firms issuing notices do not have comparable experience, resources, or any meaningful peer recognition. Be wise in selecting counsel. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm achieved the largest ever securities class action settlement against a Chinese Company. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for number of securities class action settlements in 2017. The firm has been ranked in the top 4 each year since 2013 and has recovered billions of dollars for investors. In 2019 alone the firm secured over $438 million for investors. In 2020, founding partner Laurence Rosen was named by law360 as a Titan of Plaintiffs\u2019 Bar. Many of the firm\u2019s attorneys have been recognized by Lawdragon and Super Lawyers.<\/p>\n DETAILS OF THE CASE: <\/strong>According to the lawsuit, defendants made false and\/or misleading statements and\/or 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) Thomas Healy, the Company\u2019s Chief Executive Officer (CEO), and Jon Panzer the Company\u2019s Chief Financial Officer (CFO), timed the announcement and foregoing price appreciation to insider trade; and (3) as a result, defendants\u2019 statements about Hyliion\u2019s business, operations, and prospects, were materially false and misleading and\/or lacked a reasonable basis at all relevant times. When the true details entered the market, the lawsuit claims that investors suffered damages.<\/p>\n To join the Hyliion class action, go to https:\/\/rosenlegal.com\/cases\/hyliion-holdings-corp\/join<\/a> or call Phillip Kim, Esq. toll-free at 866-767-3653 or email case@rosenlegal.com<\/a> for information on the class action.<\/p>\n No Class Has Been Certified. Until a class is certified, you are not represented by counsel unless you retain one. You may select counsel of your choice. You may also remain an absent class member and do nothing at this point. An investor\u2019s ability to share in any potential future recovery is not dependent upon serving as lead plaintiff.<\/p>\n Follow us for updates on LinkedIn: https:\/\/www.linkedin.com\/company\/the-rosen-law-firm<\/a> or on Twitter: https:\/\/twitter.com\/rosen_firm<\/a> or on Facebook: https:\/\/www.facebook.com\/rosenlawfirm<\/a>.<\/p>\n Attorney Advertising. Prior results do not guarantee a similar outcome.<\/p>\n ——————————-<\/p>\n Contact Information:<\/p>\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Laurence Rosen, Esq.
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Phillip Kim, Esq.
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0The Rosen Law Firm, P.A.
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0275 Madison Avenue, 40th<\/sup> Floor
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0New York, NY 10016
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Tel: (212) 686-1060
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Toll Free: (866) 767-3653
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Fax: (212) 202-3827
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0case@rosenlegal.com<\/a>
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