Advent Technologies Holdings, INC. (ADNH) — SEC Filings

Overview

Advent Technologies Holdings, INC. (ADNH) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 10-Q filed on Nov 17, 2025: ADNH reported a significant turnaround in net income for the three months ended September 30, 2025, reaching $8.625 million, compared to a net loss of $18.522 million in the prior-year period. This improvement was largely driven by a substantial 'Other income / (expenses), net' of $11.723 million, c

Sentiment Summary

Across 50 filings, the sentiment breakdown is: 14 bearish, 36 neutral. The dominant filing sentiment for Advent Technologies Holdings, INC. is neutral.

Filing Type Overview

Advent Technologies Holdings, INC. (ADNH) has filed 5 10-Q, 36 8-K, 3 DEF 14A, 1 S-1, 2 10-K, 2 8-K/A, 1 SC 13G/A with the SEC between Jan 2024 to Nov 2025.

Filings by Year

2025 · 2024

Recent Filings (50)

• ADNH Swings to Profit on 'Other Income' Despite Revenue Plunge — 10-Q · Nov 17, 2025 Risk: high
  ADNH reported a significant turnaround in net income for the three months ended September 30, 2025, reaching $8.625 million, compared to a net loss of $18.522 m
• Advent Technologies Terminates Material Agreement — 8-K · Nov 10, 2025 Risk: medium
  Advent Technologies Holdings, Inc. filed an 8-K on November 10, 2025, reporting the termination of a material definitive agreement that occurred on November 5,
• Advent Technologies Holdings, Inc. Files 8-K on Officer/Director Changes — 8-K · Nov 3, 2025 Risk: medium
  Advent Technologies Holdings, Inc. filed an 8-K on November 3, 2025, reporting on the departure of directors or certain officers, the election of directors, the
• Advent Technologies Faces Delisting Concerns — 8-K · Oct 29, 2025 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on October 29, 2025, to report a notice of delisting or failure to meet continued listing requirements. The comp
• Advent Technologies Holdings, Inc. Files 8-K on Security Holder Vote — 8-K · Oct 22, 2025 Risk: low
  On October 22, 2025, Advent Technologies Holdings, Inc. filed an 8-K report detailing a submission of matters to a vote of its security holders. The filing does
• Advent Tech Seeks $52M Equity Sale, Expands Stock Plan Amid Dilution Concerns — DEF 14A · Sep 30, 2025 Risk: high
  ADVENT TECHNOLOGIES HOLDINGS, INC. (ADNH) is holding its 2025 Annual Meeting on October 22, 2025, to address several critical proposals. Key among these is the
• Advent Technologies Terminates Material Agreement — 8-K · Sep 12, 2025 Risk: medium
  Advent Technologies Holdings, Inc. announced on September 11, 2025, the termination of a material definitive agreement. The company, formerly known as AMCI Acqu
• Advent Technologies Files 8-K with Material Agreements — 8-K · Sep 4, 2025 Risk: medium
  On August 28, 2025, Advent Technologies Holdings, Inc. entered into a material definitive agreement. The company also reported on unregistered sales of equity s
• Advent Technologies Faces Delisting Concerns — 8-K · Aug 22, 2025 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on August 22, 2025, reporting a notice of delisting or failure to satisfy a continued listing rule or standard,
• Advent Technologies Files S-1, Signals Public Market Move — S-1 · Aug 18, 2025 Risk: medium
  Advent Technologies Holdings, Inc. filed an S-1 form on August 18, 2025, indicating a potential new offering or significant corporate action. The company, forme
• Advent Tech's Q2 Loss Widens Amid Hydrogen Push — 10-Q · Aug 12, 2025 Risk: high
  ADVENT TECHNOLOGIES HOLDINGS, INC. (ADNH) reported a net loss of $13.5 million for the three months ended June 30, 2025, a significant increase from the $10.2 m
• Advent Technologies Files 8-K — 8-K · Aug 7, 2025 Risk: medium
  On August 1, 2025, Advent Technologies Holdings, Inc. entered into a material definitive agreement. The company also reported on unregistered sales of equity se
• Advent Technologies Enters Material Agreement — 8-K · Jul 3, 2025 Risk: medium
  On July 1, 2025, Advent Technologies Holdings, Inc. entered into a material definitive agreement. The company also reported other events and filed financial sta
• Advent Technologies Posts $13.5M Loss, Pushes Fuel Cell Commercialization — 10-Q · Jun 30, 2025 Risk: high
  ADVENT TECHNOLOGIES HOLDINGS, INC. (ADNH) reported a net loss of $13.5 million for the three months ended March 31, 2025, a slight improvement from the $14.2 mi
• Advent Technologies' Net Loss Widens to $65.4M Amidst Hydrogen Push — 10-K · Jun 6, 2025 Risk: high
  ADVENT TECHNOLOGIES HOLDINGS, INC. (ADNH) reported a net loss of $65.4 million for the fiscal year ended December 31, 2024, a significant increase from the $50.
• Advent Technologies Faces Delisting Concerns — 8-K · May 27, 2025 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on May 27, 2025, reporting a notice of delisting or failure to meet continued listing standards as of May 22, 20
• Advent Technologies Faces Delisting Concerns — 8-K · Apr 17, 2025 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on April 17, 2025, reporting a notice of delisting or failure to meet continued listing standards as of April 16
• Advent Technologies Holdings, Inc. Files Current Report — 8-K · Apr 15, 2025 Risk: low
  On April 15, 2025, Advent Technologies Holdings, Inc. filed an 8-K report. The filing indicates the company's principal executive offices are located at 5637 La
• Advent Technologies Holdings Files 8-K — 8-K · Mar 11, 2025 Risk: low
  On March 11, 2025, Advent Technologies Holdings, Inc. filed an 8-K report. The filing primarily concerns "Other Events" and "Financial Statements and Exhibits,"
• Advent Technologies Holdings, Inc. Files 8-K on Shareholder Votes — 8-K · Jan 2, 2025 Risk: low
  Advent Technologies Holdings, Inc. filed an 8-K on January 2, 2025, reporting on matters submitted to a vote of security holders as of December 31, 2024. The fi
• Advent Technologies Files Q3 2024 10-Q — 10-Q · Dec 27, 2024 Risk: medium
  Advent Technologies Holdings, Inc. filed its 10-Q for the period ending September 30, 2024. The company reported financial results and provided updates on its b
• Advent Technologies Files 8-K/A Amendment — 8-K/A · Dec 18, 2024 Risk: low
  Advent Technologies Holdings, Inc. filed an 8-K/A on December 18, 2024, to amend a previous filing regarding events that occurred on October 24, 2024. The amend
• Advent Technologies Files Definitive Proxy Statement — DEF 14A · Dec 10, 2024 Risk: low
  Advent Technologies Holdings, Inc. filed a definitive proxy statement (DEF 14A) on December 10, 2024, for its fiscal year ending December 31, 2024. The filing c
• Advent Technologies Faces Delisting Concerns — 8-K · Nov 27, 2024 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on November 27, 2024, to report a notice of delisting or failure to satisfy a continued listing rule. The compan
• Advent Technologies Changes Business Address — 8-K · Nov 26, 2024 Risk: low
  On November 26, 2024, Advent Technologies Holdings, Inc. filed an 8-K report. The filing indicates a change in the company's business address to 5637 La Ribera
• Advent Technologies Reports Agreement Termination & Officer Changes — 8-K · Nov 8, 2024 Risk: medium
  Advent Technologies Holdings, Inc. announced on November 4, 2024, the termination of a material definitive agreement. The company also reported the departure of
• Advent Technologies Reports Board and Officer Changes — 8-K · Oct 29, 2024 Risk: medium
  Advent Technologies Holdings, Inc. filed an 8-K on October 29, 2024, reporting changes related to its board of directors and officers, including the election of
• Advent Technologies Names New CTO and Board Member — 8-K · Oct 24, 2024 Risk: medium
  Advent Technologies Holdings, Inc. announced on October 24, 2024, changes in its board of directors and executive compensation. Specifically, the company appoin
• Advent Technologies Faces Delisting Concerns — 8-K · Oct 23, 2024 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on October 23, 2024, reporting a notice of delisting or failure to satisfy a continued listing rule or standard.
• Advent Technologies Sells German Subsidiary — 8-K · Oct 21, 2024 Risk: medium
  Advent Technologies Holdings, Inc. announced on October 15, 2024, that it has entered into a definitive agreement to sell its subsidiary, Advent Technologies Gm
• Advent Technologies Files Q1 2024 10-Q — 10-Q · Oct 15, 2024 Risk: medium
  Advent Technologies Holdings, Inc. filed its 10-Q for the period ending March 31, 2024. The company reported its financial results and provided updates on its b
• Advent Technologies Files 8-K/A Amendment — 8-K/A · Oct 2, 2024 Risk: medium
  Advent Technologies Holdings, Inc. filed an 8-K/A on October 2, 2024, to amend its previous filing regarding changes in its certifying accountant. The amendment
• Advent Technologies Holdings, Inc. Files 8-K — 8-K · Sep 20, 2024 Risk: low
  Advent Technologies Holdings, Inc. has filed an 8-K report on September 16, 2024, indicating changes in its certifying accountant and other events. The company,
• Advent Technologies Delists from Nasdaq, Board Changes — 8-K · Sep 5, 2024 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on August 28, 2024, reporting its departure from the Nasdaq Capital Market due to failure to meet continued list
• Advent Technologies Holdings Files 8-K — 8-K · Aug 22, 2024 Risk: low
  Advent Technologies Holdings, Inc. filed an 8-K on August 22, 2024, reporting an event that occurred on August 16, 2024. The filing is categorized under 'Other
• Advent Technologies Holdings Files 8-K on Financials — 8-K · Aug 20, 2024 Risk: medium
  Advent Technologies Holdings, Inc. filed an 8-K on August 20, 2024, reporting on its financial condition and results of operations. The filing also includes Reg
• Advent Technologies Files 2023 10-K — 10-K · Aug 13, 2024 Risk: medium
  Advent Technologies Holdings, Inc. filed its 2023 10-K on August 13, 2024, reporting on its fiscal year ending December 31, 2023. The company, formerly AMCI Acq
• Advent Technologies Enters Material Definitive Agreement — 8-K · Aug 5, 2024 Risk: medium
  On July 30, 2024, Advent Technologies Holdings, Inc. entered into a material definitive agreement, potentially involving a change in control. The filing also in
• Advent Technologies Files 8-K — 8-K · Jul 25, 2024 Risk: low
  On July 25, 2024, Advent Technologies Holdings, Inc. filed an 8-K report. The filing primarily concerns financial statements and exhibits, indicating a routine
• Advent Technologies Terminates Material Agreement — 8-K · Jul 12, 2024 Risk: medium
  Advent Technologies Holdings, Inc. reported on June 29, 2024, the termination of a material definitive agreement. The company also filed other events and financ
• Advent Technologies Faces Delisting Concerns — 8-K · May 29, 2024 Risk: high
  Advent Technologies Holdings, Inc. filed an 8-K on May 29, 2024, reporting a notice of delisting or failure to satisfy continued listing rules. The filing indic
• 8-K Filing — 8-K · May 22, 2024
• Advent Technologies Files 8-K on Security Holder Rights — 8-K · May 16, 2024 Risk: medium
  On May 13, 2024, Advent Technologies Holdings, Inc. filed an 8-K report detailing material modifications to the rights of its security holders and amendments to
• Advent Technologies Holdings Files 8-K — 8-K · May 9, 2024 Risk: low
  On May 9, 2024, Advent Technologies Holdings, Inc. filed an 8-K report. The filing primarily concerns financial statements and exhibits, along with a Regulation
• Advent Technologies Files 8-K on Voting, Reg FD, and Exhibits — 8-K · May 1, 2024 Risk: low
  Advent Technologies Holdings, Inc. filed an 8-K on April 29, 2024, reporting on matters submitted to a vote of security holders, Regulation FD disclosures, and
• Advent Technologies Faces Nasdaq Delisting Warning — 8-K · Apr 23, 2024 Risk: high
  Advent Technologies Holdings, Inc. announced on April 17, 2024, that it received a notice from the Nasdaq Stock Market indicating non-compliance with listing ru
• Advent Technologies Holdings, Inc. Announces Special Meeting for Stockholder Vote on Reverse Stock Split and Equity Plan Amendment — DEF 14A · Mar 29, 2024 Risk: medium
  ADVENT TECHNOLOGIES HOLDINGS, INC. (ADNH) filed a Proxy Statement (DEF 14A) with the SEC on March 29, 2024. Special meeting scheduled for April 29, 2024, at 9:0
• Advent Technologies Announces Board Changes and Compensation Updates — 8-K · Mar 12, 2024 Risk: medium
  Advent Technologies Holdings, Inc. announced on March 11, 2024, changes in its board of directors and executive compensation arrangements. Specifically, the com
• LMR Partners Amends Advent Tech Stake; Ownership Change Noted — SC 13G/A · Feb 12, 2024 Risk: medium
  LMR Partners LLP, a London-based investment firm, filed an amended Schedule 13G on February 12, 2024, indicating a change in their ownership of Advent Technolog
• Advent Technologies Files Routine 8-K, Confirms Registration Details — 8-K · Jan 25, 2024
  Advent Technologies Holdings, Inc. filed an 8-K on January 25, 2024, reporting an event that occurred on January 19, 2024. This filing is a routine update, prim

Risk Profile

Risk Assessment: Of ADNH's 48 recent filings, 14 were flagged as high-risk, 22 as medium-risk, and 12 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Financial Highlights

Key financial metrics from Advent Technologies Holdings, INC.'s most recent 10-Q filing (Nov 17, 2025):

• Revenue: $62K
• Net Income: $8.625M
• EPS: N/A
• Debt-to-Equity: N/A
• Cash Position: $468K
• Operating Margin: N/A
• Total Assets: $6.676M
• Total Debt: $24.459M

Key Executives

• James F. Coffey
• Board of Directors
• Dr. Panagiotis Tsantilas
• Vasilis Gregoriou
• Dr. Ioannis Economou
• Ben Levine
• Stefan Renold

Industry Context

Advent Technologies Holdings operates in the fuel cell and hydrogen technology sector, a nascent but growing industry driven by the global push for decarbonization and renewable energy solutions. The sector is characterized by significant R&D investment, evolving regulatory landscapes, and intense competition from established automotive and energy players, as well as numerous startups.

Top Tags

delisting (8) · listing-standards (8) · corporate-governance (7) · financials (5) · 8-k (4) · 8-K (4) · filing (4) · material-agreement-termination (3) · regulatory (3) · regulatory-filing (3)

Key Numbers

• Net Income: $8.625M — Q3 2025, a significant swing from a $18.522M loss in Q3 2024
• Revenue, net: $62K — Q3 2025, a decrease from $128K in Q3 2024
• Other income / (expenses), net: $11.723M — Q3 2025, the primary driver of net income
• Operating loss: $2.374M — Q3 2025, narrowed from $7.927M in Q3 2024
• Accumulated deficit: $218.599M — As of Sept 30, 2025, indicating ongoing losses
• Total stockholders' equity/(deficit): $17.783M — As of Sept 30, 2025, remaining negative
• Cash and cash equivalents: $468K — As of Sept 30, 2025, a slight increase from $381K at Dec 31, 2024
• Net Cash provided by Financing Activities: $2.118M — Nine months ended Sept 30, 2025, including $2.901M from borrowings
• Shares of common stock outstanding: 3,788,634 — As of November 14, 2025
• Maximum value of Common Stock to be sold to Hudson Global: $52,000,000 — Potential capital raise and source of dilution
• Threshold for Nasdaq Listing Rule 5635(d) approval: 20% — Percentage of Common Stock potentially issued to Hudson Global
• Current shares issuable under 2021 Incentive Plan: 530,976 — Baseline for incentive plan share count
• Proposed shares issuable under 2021 Incentive Plan: 1,011,627 — Significant increase in shares for executive compensation
• Annual increase percentage for Incentive Plan: 3% — Evergreen provision for additional share issuance until 2046
• Shares of Common Stock outstanding as of Record Date: 3,291,634 — Total shares eligible to vote on September 19, 2025

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