Advent Technologies Holdings, Inc. (Nasdaq: ADN) traces its public-markets entry to AMCI Acquisition Corp., a blank-check company that completed its initial public offering in 2019 under the sponsorship of AMCI Group, a clean-energy-focused investment firm. The SPAC targeted the energy-transition sector, with a specific emphasis on hydrogen and fuel-cell technology opportunities. In February 2021, AMCI Acquisition Corp. closed its business combination with Advent Technologies, a developer of hydrogen fuel-cell components and membrane electrode assemblies, forming the current publicly traded entity. The combined company operates in the advanced clean-energy and hydrogen technology sector, supplying critical components to fuel-cell manufacturers and system integrators worldwide. Sign up at SpacDesk for full filing history, sponsor analytics, and transaction data on Advent Technologies Holdings and hundreds of other SPAC deals.