ADVENT TECHNOLOGIES HOLDINGS, INC.
Close on Oct 19, 2026
- Market cap
- –
- P/E (TTM)
- –
- Dividend yield
- –
About Advent Technologies
Miscellaneous Electrical Machinery, Equipment & Supplies, SIC 3690
Advent Technologies Holdings, Inc. develops advanced materials and technology within the fuel cell and hydrogen sector, focusing on high-temperature proton exchange membrane technology. The company develops and manufactures membrane electrode assemblies and fuel cell stacks, which convert clean fuels such as hydrogen, methanol, and renewable natural gas into power. Advent primarily collaborates with original equipment manufacturers and Tier 1 suppliers to integrate its components into complete fuel cell systems, serving customers across stationary power markets, including backup, off-grid, and portable power, as well as heavy-duty mobility sectors such as automotive, aviation, and marine.
The company operates product development facilities in Livermore, California, and Patras, Greece, and maintains collaborative projects across Europe. Advent Technologies Holdings, Inc. is headquartered in Livermore, California.
Summary of the business section of Advent Technologies's latest annual report, written by StockData.
Company profile
Company
- Legal name
- ADVENT TECHNOLOGIES HOLDINGS, INC.
- Headquarters
- Boston, MA
- Address
- 500 Rutherford Avenue, Suite 102 02129
- Phone
- (857) 264-7035
- Employees
- 26, Dec 31, 2024
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- Incorporated in
- Delaware
- Fiscal year ends
- December 31
- Auditor
- Ernst & Young (Hellas) Certified Auditors Accountants S.A., Athens, Greece
Stock & identifiers
- Ticker
- ADNH
- Exchange
- OTC
- IPO date
- Nov 16, 2018
- Shares outstanding
- 4M, Nov 14, 2025
- Public float
- $6.70M, Jun 30, 2024
- Filer category
- Non-accelerated filer<br>Smaller reporting company
- Stock splits
- 1-for-30 reverse, Aug 13, 2024; 1-for-30 reverse, May 14, 2024; 9-for-4, May 20, 2021
- SEC CIK
- 1744494
- CUSIP
- 00788A204
- ISIN
- US00788A2042
- EIN
- 83-0982969
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Gary L. Herman | Chief Executive Officer, Director | – |
| Avtar Dhaliwal | Director | – |
| Seth M. Lukash | Director | – |
| Marc Seelenfreund | Director | – |
| Joseph Patrick Celia | Director | – |
| Robert William Schwartz | Director | – |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2024 Gary Herman | – | $0 | $412.50K | $-98 | – |
| FY2024 Vassilios Gregoriou | $800.00K | $424.71K | $412.50K | $-98 | – |
| FY2023 Vassilios Gregoriou | $800.00K | -$1.26M | $425.00K | $-87 | – |
| FY2022 Vassilios Gregoriou | $1.70M | -$4.53M | $425.00K | $-74 | – |
“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.
Employees
Headcount reported in annual reports
“As of December 31, 2024, we had approximately 26 employees and 5 part-time contractors.”
Corporate history
Events identified from SEC filings