Advent Technologies Holdings, Inc. (Nasdaq: ADN) reached the public markets through a business combination with AMCI Acquisition Corp., a blank-check vehicle sponsored by AMCI Group that completed its IPO in 2019. The August 2020 quarterly filing captured the SPAC during its active target-search phase, ahead of the merger closing in early 2021 that formally established the ADN ticker on Nasdaq. The combined company operates in the clean-energy technology sector, developing fuel cell components and membrane electrode assemblies for hydrogen and other alternative-energy applications. As of the filing date the entity remained in its pre-combination SPAC structure. Sign up at SpacDesk for full filing history, sponsor data, and deal analytics on ADN and hundreds of other SPAC transactions.