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ADVENT TECHNOLOGIES HOLDINGS, INC.

Closed (deSPAC)

Information Technology · hydrogen fuel cell and membrane manufacturing

What it is
Technologies Holdings, Inc
What it’s doing now
Merging with AMCI Acquisition Corp. (ADN) — closed (despac).
What you should know
The deal carries a $60M minimum-cash condition — heavy redemptions can break it.

The business, per its filings

SEC primary

Technologies Holdings, Inc. Advent Technologies Holdings, Inc. is a U.S. corporation that develops, manufactures, and assembles complete fuel cell systems as well as supplying customers with critical components for fuel cells in the renewable energy sector. Advent is headquartered in Boston, Massachusetts, with offices in California, Greece, Denmark, Germany, and the Philippines. With more than 150 patents issued, pending, and licensed for fuel cell technology, Advent holds the IP for next-generation HT-PEM that enables various fuels to function at high temperatures and under extreme conditions – offering a flexible “Any Fuel. Anywhere.” option for the automotive, aviation, defense, oil and gas, marine, and power generation sectors. For more information, visit www.advent.energy . Cautionary Note Regarding

Source: S-4, accession 0001140361-20-026476

What the company says about itself

Web research — not audited

Advent Technologies develops and manufactures high-temperature proton exchange membrane (ht-pem) fuel cells that convert hydrogen and other renewable fuels to electricity. The company offers complete fuel cell systems and manufactures the core MEA component, utilizing its proprietary Ion Pair™ MEA technology. It licenses its technology to Tier 1 and major manufacturers.

Markets:
Clean Energy | Fuel Cells | Hydrogen Technology
Products:
Portable Fuel Cell System | Ion Pair™ MEA technology | HT-PEM Fuel Cells
Customers:
EH Group Engineering AG | Airbus | Stralis | European Climate, Infrastructure and Environment Executive Agency (CINEA) | U.S. Department of Defense | Hyundai Motor Company

Source: https://advent.energy/ · captured Aug 26, 2026 · marketing claims are reported as claims, never merged into the filed figures above.

The deal it’s entering

ADVENT TECHNOLOGIES HOLDINGS, INC. is merging with AMCI Acquisition Corp. (ADN) currently marked Closed (deSPAC).

Headline equity value—
PIPE≈ $65M · unsourced
Minimum cash to close$60M

Structure per SEC accession(s) 0001140361-20-030034, 0001140361-20-025063. How to read these numbers: headline vs effective valuation · what a definitive agreement commits

What exactly is being valued, and at what

Common questions

Is ADVENT TECHNOLOGIES HOLDINGS, INC. going public?

ADVENT TECHNOLOGIES HOLDINGS, INC. has an approved merger with the SPAC AMCI Acquisition Corp. (ADN). Deal status: Closed (deSPAC).

Does ADVENT TECHNOLOGIES HOLDINGS, INC. have revenue?

The filings we've parsed don't state a usable revenue figure yet; this profile is updated as new documents land.

Educational content, not investment advice.

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