[8-K] Advent Technologies Holdings, Inc. Reports Material Event

Rhea-AI Filing Summary

Advent Technologies Holdings, Inc. filed a Form 8-K reporting that its wholly-owned subsidiary, Advent Technologies, Inc., finalized a partially exclusive field-of-use patent license with TRIAD National Security for the Ion Pair technology originally developed at Los Alamos National Laboratory. The Agreement, which supersedes a prior license between the parties, grants Advent Sub exclusivity in the marine, aviation, and portable power fields while Advent Sub retains non-exclusive rights in all other fields.

The filing attaches the press release as Exhibit 99.1 and a cover page interactive data file as Exhibit 104, and is signed by CEO Gary Herman on August 12, 2025. The document does not disclose financial terms, duration, or other commercial details of the Agreement.

Positive

• Acquired partial exclusivity for Ion Pair technology in the marine, aviation, and portable power fields.
• Agreement supersedes prior license, consolidating rights under a new arrangement between Advent Sub and TRIAD National Security.
• Retained non-exclusive rights in all other fields, preserving broader use of the technology outside the exclusive fields.
• Filed under Item 8.01 with attached press release (Exhibit 99.1) and cover page interactive data (Exhibit 104).

Negative

• No financial terms disclosed in the filing, so cost, royalties, or payment structure are not available.
• Duration and effective dates of exclusivity are not disclosed, limiting assessment of the agreement's time horizon.

Insights

Technology Commercialization Specialist

TL;DR Partial field exclusivity secures targeted commercial rights in marine, aviation and portable power, which is material for technology deployment.

The filing confirms Advent Sub obtained exclusive field rights for Ion Pair technology in three specified sectors and retained non-exclusive rights elsewhere. Consolidating and superseding the prior license can simplify commercialization pathways and partner coordination for these sectors. The disclosure is concise and focuses on scope; however, absent financial terms or duration, stakeholders cannot assess upfront costs, royalty structure, or runway to commercialization from the filing alone.

Corporate Governance Expert

TL;DR Appropriate Item 8.01 disclosure of a material agreement, but the filing omits contractual economics and term details, limiting transparency.

The company properly reported an entry into a material definitive agreement and attached the press release as Exhibit 99.1. The filing states the Agreement "supersedes a prior license" and specifies fields of exclusivity. Notably, the Form 8-K does not include the Agreement itself, financial terms, effective dates, or term length, which are common details investors and governance stakeholders expect for material arrangements.

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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): August 6, 2025

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
Common stock, par value $0.0001 per share		ADN		The Nasdaq Stock Market LLC
Warrants to purchase one share of common stock, each at an exercise price of $345.00		ADNWW		The Nasdaq Stock Market LLC

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 Entry into a Material Definitive Agreement.

On August 12, 2025, Advent Technologies Holdings, Inc. (the “Company”), issued a press release (the “Press Release”) announcing that Advent Technologies, Inc., a wholly-owned subsidiary of the Company (“Advent Sub”) finalized a partially exclusive field-of-use patent license agreement with TRIAD National Security with respect to the Ion Pair technology originally developed at Los Alamos National Laboratory (the “Agreement”), which Agreement supersedes a prior license agreement between the parties. Pursuant to the terms of the Agreement, Advent Sub acquired exclusivity to the technology in the marine, aviation, and portable power fields while retaining its non-exclusive rights in all other fields.

The foregoing description of the Press Release does not purport to be complete and is subject to, and qualified in its entirety by, the full text of the Press Release attached hereto as Exhibit 99.1 and incorporated herein by reference.

Item 9.01 Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		Press Release dated August 12, 2025
104		Cover Page Interactive Data File. (Embedded within the Inline XBRL document.)

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: August 12, 2025

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

2

FAQ

What did Advent Technologies (ADN) announce in this 8-K?

The company announced that its subsidiary finalized a partially exclusive field-of-use patent license with TRIAD National Security for Ion Pair technology, granting exclusivity in marine, aviation, and portable power.

When was the press release and who signed the 8-K for ADN?

The press release is dated August 12, 2025, and the Form 8-K is signed by Gary Herman, Chief Executive Officer, on that date.

Does the filing disclose financial terms or duration of the license?

No. The Form 8-K states the Agreement’s scope but does not disclose financial terms, duration, or commercial details.

What exhibits are attached to Advent's 8-K filing?

Exhibit 99.1 is the Press Release dated August 12, 2025, and Exhibit 104 is the Cover Page Interactive Data File embedded in the Inline XBRL document.

Which fields are covered by the exclusivity in the Agreement?

Advent Sub acquired exclusivity in the marine, aviation, and portable power fields and retained non-exclusive rights in all other fields.