ADN

25-NSE - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Subject)

25-NSE - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Subject)

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

10-Q - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

NT 10-Q - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

LIVERMORE, Calif., Oct. 29, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), an innovation-driven leader in fuel cell and hydrogen technology, is accelerating the electrification of aviation through its cutting-edge high-temperature proton exchange membrane fuel cells (HT-PEM FCs). In collaboration with Stralis Aircraft and other aerospace pioneers, Advent's technology is helping enable the next generation of sustainable flight — from fixed-wing aircraft and eVTOL taxis to emerging flying car platforms. "More than 100 companies — from startups to established aerospace leaders — are developing electric flight solutions," said Gary Herman, Chief Executive Officer of

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

LIVERMORE, Calif., Oct. 27, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), through its wholly owned subsidiary Advent Technologies S.A., is pleased to announce its official collaboration with Arxicon, a leading Greek engineering and project management firm, for the development of its master plan for the RHyno Project. The RHyno Project officially commenced on April 1, 2025, and is funded by the EU Innovation Fund. It involves the development and construction of the facility and key infrastructure for manufacturing innovative fuel cells, electrolysers, and their critical components, including Advent's cutting-edge Membrane Electrode Assembly (MEA) technology, at

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

LIVERMORE, Calif. , Oct. 09, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), is pleased to announce that Dr. Emory De Castro, the Company's Chief Technology Officer, will speak at the International Energy Agency (IEA) conference to be held in Paris, France on November 6, 2025. Advent's presentation is "Next Generation Components for HT-PEM and Their Relevance in Marine Applications," whereby the Ion Pair™ membrane electrode assembly (MEA) will be featured. This breakthrough MEA technology greatly increases the lifetime and reduces the space requirements of high temperature proton exchange membrane (HT-PEM) fuel cells for on-board ship applications. Dr. De Castro

DEF 14A - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

LIVERMORE, Calif., Sept. 29, 2025 (GLOBE NEWSWIRE) -- (NASDAQ: ADN) Advent Technologies Holdings, Inc., through its wholly owned subsidiary, Advent Technologies, SA, is pleased to announce a new contract with Siqens GmbH, a leading German fuel cell system manufacturer. Under the terms of the 12-month contract, Advent will supply Membrane Electrode Assemblies ("MEAs") for integration into Siqens' innovative fuel cell systems. This marks a significant milestone in Advent's ongoing mission to expand the adoption of its proprietary High-Temperature Proton Exchange Membrane (HT-PEM) technology across global markets. The Advent MEAs are designed to deliver high performance and durability, enabl

LIVERMORE, Calif., Sept. 22, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), an innovation-driven leader in fuel cells and hydrogen technologies, has delivered its next generation, state-of-the-art Honey Badger 50™ ("HB50") portable power units to the U.S. ARMY. This milestone achievement comes under the contract titled "Honey Badger Design Lock for Future Adoption" (the "Design Lock Contract"). Advent has designed the HB50 to play a crucial role in supporting the demanding defense mission requirements of the U.S. Army and the other service branches under the U.S. Department of Defense ("DoD") and U.S. Department of Homeland Security. The Design Lock Contrac

LIVERMORE, Calif., Sept. 18, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), through its wholly owned subsidiary, Advent Technologies, SA, is pleased to announce the receipt of a significant purchase order from a leading European transportation power company for the supply of Advent's proprietary Membrane Electrode Assemblies (MEA). This strategic order marks a major milestone for Advent, reinforcing its position as a key supplier of advanced fuel cell components. This order is scheduled for initial delivery in November 2025 with completion by year-end. Gary Herman, Advent's CEO, commented: "I want to congratulate the Advent team for securing this important

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

LIVERMORE, Calif., Sept. 09, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN) an innovation-driven leader in the fuel cell and hydrogen technology sector, is proud to announce a major technological breakthrough in its strategic collaboration with Airbus, aimed at advancing the next generation Ion Pair™ MEA for High-Temperature Proton Exchange Membrane (HT-PEM) fuel cell technology. This achievement marks the successful completion of a critical interim milestone, enabling the project to move toward even more ambitious performance targets. Through a combination of innovative MEA (Membrane Electrode Assembly) reconfiguration and targeted hardware enhancements, Advent h

8-K - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

ATHENS, Greece, Sept. 02, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), an innovation-driven leader in the fuel cell and hydrogen technology space, announce today that its wholly owned Greek subsidiary, Advanced Energy Technologies S.A. has submitted five (5) required deliverables to the European Climate, Infrastructure and Environment Executive Agency (CINEA) -since April 1st 2025 when the RHyno Project officially commenced- and is preparing to submit the first Progress Report in September, covering the initial six months of the €34.5 million RHyno Project. Dr. Nora Gourdoupi, PhD, Advent's Senior Vice President for Business Development stated: "At present, Ad

EFFECT - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

424B3 - ADVENT TECHNOLOGIES HOLDINGS, INC. (0001744494) (Filer)

LIVERMORE, Calif., Aug. 27, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), an innovation-driven leader in fuel cells and hydrogen technologies, is pleased to announce that it has engaged Fata Advisory, LLC to support the Company's strategic outreach and business development with key U.S. government, commercial, and potential foreign customers in deploying Advent's power generation products for the aerospace, defense, and commercial markets. The firm's founder and principal, Daniel Fata, has more than 30 years of experience working in the Department of Defense, Congress, as well as the U.S. and international aerospace and defense industries including Lockheed Mar

LIVERMORE, Calif., Aug. 26, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), an innovation-driven leader in fuel cells and hydrogen technologies, is pursuing new initiatives in the space sector with the European Space Agency (ESA) and other major agencies and private companies. Advent's proven high temperature proton exchange membrane (HT-PEM) technology is the perfect solution for the power requirements in the space sector when batteries alone are insufficient. Gary Herman, the CEO of Advent stated, "As we set our sights on space, Advent's technology has a role to play in extending man's reach. We believe that our new and exclusive license for the Ion Pair HT-PE

LIVERMORE, Calif., Aug. 25, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ:ADN), an innovation driven leader in fuel cells and hydrogen technologies is pleased to announce that it has received an initial order for its Ion Pair High Temperature Proton Exchange Membrane electrode assemblies ("HT-PEM") from one of the major players in the energy sector. With more than 50,000 employees in over 100 countries, this energy giant's technology is used to generate a large percentage of the world's electricity. It is actively pursuing new opportunities in the energy transition, including:  Strategic investments: Expanding its manufacturing capacity to meet increasing demand.Inno