Hyliion Holdings Corp.

Hyliion Holdings Corp. traces its public-market debut to Tortoise Acquisition Corp., a blank-check vehicle that traded under the ticker SHLL and was sponsored by Tortoise Capital Advisors. The SPAC completed its IPO in 2020, targeting the clean energy and commercial transportation sector, before closing its de-SPAC merger with Hyliion — a developer of hybrid and fully electric powertrain solutions for Class 8 semi-trucks — in October 2020, after which the combined company began trading under the ticker HYLN. The company submitted an 8-K filing with the SEC on May 25, 2023, disclosing a material event under standard post-merger reporting requirements. For comprehensive SPAC transaction data, filing histories, and sponsor intelligence, sign up for full access on SpacDesk.