Advent Technologies hydrogen project removed from IPCEI

Advent Technologies Holdings, Inc. reports that its wholly owned subsidiary, Advanced Energy Technologies Single Member SA, received a notification from the Hellenic Republic Ministry of Development concerning its hydrogen project.

Rhea-AI Filing Summary

Advent Technologies Holdings, Inc. reports that its wholly owned subsidiary, Advanced Energy Technologies Single Member SA, received a notification from the Hellenic Republic Ministry of Development concerning its hydrogen project. The letter states that Project EL02 Green HIPo has been withdrawn from the Hydrogen IPCEI Hy2 Tech wave program due to a failure to meet certain internal requirements. This means the project will no longer participate in that European hydrogen innovation framework, which may affect how Advent advances this specific initiative.

Insights

Clean energy policy analyst

Advent’s EL02 Green HIPo hydrogen project was removed from an EU-linked support program.

Advent Technologies’ subsidiary was informed that its Project EL02 Green HIPo has been withdrawn from the Hydrogen IPCEI Hy2 Tech wave program by Greek industry authorities. IPCEI structures are often used to coordinate and support large-scale, cross-border innovation projects.

The disclosure does not quantify funding or commercial implications, but it confirms that this particular project will not proceed within that IPCEI wave. Future company updates may clarify whether the project continues under alternative frameworks or is redesigned to meet evolving program criteria.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Key Terms

Emerging growth company, Hydrogen IPCEI Hy2 Tech wave program, Project EL02 Green HIPo, Secretariat General for Industry

4 terms

Emerging growth company regulatory

"Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Hydrogen IPCEI Hy2 Tech wave program financial

"has been withdrawn from the Hydrogen IPCEI Hy2 Tech wave program"

Project EL02 Green HIPo technical

"notifying the Company that Project EL02 Green HIPo has been withdrawn"

Secretariat General for Industry regulatory

"from the Secretariat General for Industry, Directorate General for Industrial Policy & Reforms"

FAQ

What did Advent Technologies Holdings (ADNH) disclose about Project EL02 Green HIPo?

Advent Technologies disclosed that its Project EL02 Green HIPo was withdrawn from the Hydrogen IPCEI Hy2 Tech wave program. The decision came via a letter to its Greek subsidiary from the Hellenic Republic Ministry of Development, citing failure to meet certain internal requirements for the program.

Who notified Advent Technologies’ subsidiary about the withdrawal of Project EL02 Green HIPo?

The notification came from the Hellenic Republic Ministry of Development. Specifically, it was issued by the Secretariat General for Industry, the Directorate General for Industrial Policy & Reforms, and the Directorate for Industrial Policy, addressing Advent’s wholly owned subsidiary in Greece on May 14, 2026.

What is the Hydrogen IPCEI Hy2 Tech wave program mentioned by Advent Technologies?

The Hydrogen IPCEI Hy2 Tech wave is described as a program framework for hydrogen-related projects under an Important Project of Common European Interest. Advent reported that its EL02 Green HIPo project was withdrawn from this wave after authorities determined it did not satisfy certain internal program requirements.

Which Advent Technologies entity was directly involved in the EL02 Green HIPo project?

The project was handled by Advanced Energy Technologies Single Member SA. This entity is a wholly owned subsidiary of Advent Technologies Holdings, Inc., based in Greece, and it received the official letter indicating the withdrawal of Project EL02 Green HIPo from the Hydrogen IPCEI Hy2 Tech wave program.

When did Advent Technologies’ subsidiary receive notice about the project withdrawal?

Advent’s subsidiary received the notice on May 14, 2026. That date is when the Greek authorities informed the company that Project EL02 Green HIPo had been withdrawn from participation in the Hydrogen IPCEI Hy2 Tech wave program due to unmet internal requirements.

Who signed the Advent Technologies report describing the EL02 Green HIPo withdrawal?

The report was signed on behalf of Advent Technologies Holdings, Inc. by Gary Herman. He is identified in the document as the company’s Chief Executive Officer, executing the filing that details the withdrawal of Project EL02 Green HIPo from the Hydrogen IPCEI Hy2 Tech wave program.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/15/2026 - 04:42 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 14, 2026

Advent Technologies Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware		001-38742		83-0982969
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

5637 La Ribera Street

Suite A

Livermore, CA 94550

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (925) 455-9400

Check the appropriate box below if the Form 8−K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a−12 under the Exchange Act (17 CFR 240.14a−12)
☐	Pre−commencement communications pursuant to Rule 14d−2(b) under the Exchange Act (17 CFR 240.14d−2(b))
☐	Pre−commencement communications pursuant to Rule 13e−4(c) under the Exchange Act (17 CFR 240.13e− 4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol		Name of each exchange on which registered
N/A		N/A		N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

On May 14, 2026, Advanced Energy Technologies Single Member SA, a wholly-owned subsidiary of Advent Technologies Holdings, Inc. (the “Company”), received a letter from the Secretariat General for Industry, Directorate General for Industrial Policy & Reforms and the Directorate for Industrial Policy of the Hellenic Republic Ministry of Development notifying the Company that Project EL02 Green HIPo has been withdrawn from the Hydrogen IPCEI Hy2 Tech wave program due to a failure to meet certain internal requirements.

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: May 15, 2026

	Advent Technologies Holdings, Inc.
	By:	/s/ Gary Herman
	Name:	Gary Herman
	Title:	Chief Executive Officer

2

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL SCHEMA FILE 3.0 KB
• EX-101 XBRL LABEL FILE 33.4 KB
• EX-101 XBRL PRESENTATION FILE 21.8 KB