Form 8-K/A - Current report: [Amend]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

CURRENT REPORT

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

Date of Report (Date of earliest event reported): October 24, 2024

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 St.

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. ☐

Introductory Note

This Amendment No. 1 to the Current Report on Form 8-K amends the Current Report on Form 8-K filed by Advent Technologies Holdings, Inc. (“Advent” or the “Company”) on October 24, 2024 regarding the termination of Vassilios Gregoriou as Chief Executive Officer and Active Chief Financial Officer of the Company to clarify that Mr. Gregoriou was also removed from the Company’s Board of Directors as of the date of his termination from the Company.

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Effective as of October 24, 2024, in connection with his termination as Chief Executive Officer and Acting Chief Financial Officer and pursuant to the terms of his executive employment agreement, Mr. Gregoriou was removed as a member of the Company’s Board of Directors.

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: December 18, 2024

	Advent Technologies Holdings, Inc.

	By:	/s/ Gary Herman
	Name:	Gary Herman
	Title:	Chief Executive Officer

Cover	Oct. 24, 2024
Document Type	8-K/A
Amendment Flag	true
Amendment Description	Introductory Note This Amendment No. 1 to the Current Report on Form 8-K amends the Current Report on Form 8-K filed by Advent Technologies Holdings, Inc. (“Advent” or the “Company”) on October 24, 2024 regarding the termination of Vassilios Gregoriou as Chief Executive Officer and Active Chief Financial Officer of the Company to clarify that Mr. Gregoriou was also removed from the Company’s Board of Directors as of the date of his termination from the Company.
Document Period End Date	Oct. 24, 2024
Entity File Number	001-38742
Entity Registrant Name	Advent Technologies Holdings, Inc.
Entity Central Index Key	0001744494
Entity Tax Identification Number	83-0982969
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	5637 La Ribera St.
Entity Address, Address Line Two	Suite A
Entity Address, City or Town	Livermore
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94550
City Area Code	(925)
Local Phone Number	455-9400
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	false
Common stock, par value $0.0001 per share
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	ADN
Security Exchange Name	NASDAQ
Warrants to purchase one share of common stock, each at an exercise price of $345.00
Title of 12(b) Security	Warrants to purchase one share of common stock, each at an exercise price of $345.00
Trading Symbol	ADNWW
Security Exchange Name	NASDAQ