Advent Technologies Holdings, Inc. (Nasdaq: ADN) is a clean energy company focused on fuel cell technology and advanced hydrogen power components, operating in the emerging green energy and power systems sector. The company entered public markets through a merger with AMCI Acquisition Corp., a blank check company sponsored by AMCI Capital, which completed its initial public offering in 2019. The 10-K filed in March 2020 represents the SPAC's annual disclosure covering its inaugural fiscal year as a public entity, reflecting the pre-merger period during which it was searching for a target in the clean energy space. The combined entity, operating as Advent Technologies Holdings post-merger, develops proprietary fuel cell components for transportation, defense, and stationary power applications. Sign up at SpacDesk for complete filing history, sponsor profiles, and real-time SPAC analytics on ADN and hundreds of other transactions.