Hyliion Holdings Corp.

Hyliion Holdings Corp. (ticker: SHLL) is a post-combination company that originated as a SPAC brought to market in 2020 under sponsorship by Tortoise Capital Advisors through Tortoise Acquisition Corp. The blank-check vehicle focused on the commercial transportation technology sector and completed its de-SPAC merger with Hyliion, a developer of electrified powertrain and hybrid drivetrain solutions for Class 8 heavy-duty trucks. The company filed an 8-K current report with the SEC on May 12, 2026. Sign up at SpacDesk to access the full filing record, deal timeline, and comprehensive data on SHLL and the wider SPAC universe.