LIVERMORE, Calif.--(BUSINESS WIRE)--Advent Technologies Holdings, Inc. (NASDAQ: ADN), an innovation-driven leader in the fuel cell and hydrogen technology sectors, today announced that it has received a letter from the Listing Qualifications Department of the Nasdaq Stock Market ("Nasdaq") confirming that the Company has rectified its previous deficiency related to the filing of its annual report on Form 10-K on August 13, 2024. The letter also informed Advent Technologies that it remains nonco...
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