Los Angeles – September 12, 2026 -- The Law Offices of Frank R. Cruz has opened a lead plaintiff window until October 27, 2026, for investors who lost money on Hyliion Holdings Corp. (NYSE: HYLN) shares during a six-week trading window this spring.

New York – September 11, 2026 -- Wolf Haldenstein Adler Freeman & Herz LLP has filed a securities class action against Hyliion Holdings Corp. (NYSE: HYLN) in the U.S. District Court for the Western District of Texas, covering investors who purchased shares between May 12, 2026 and June 23, 2026.