# EDGAR Filing Document

**Accession Number:** 0001744494
**File Stem:** 0001829126-25-008952
**Filing Date:** 2025-11
**Character Count:** 5159
**Document Hash:** b9922c6f141eb7595c0739aa1313db29
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-25-008952.hdr.sgml**: 20251110

**ACCESSION NUMBER**: 0001829126-25-008952

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 13

**CONFORMED PERIOD OF REPORT**: 20251105

**ITEM INFORMATION**: Termination of a Material Definitive Agreement

**FILED AS OF DATE**: 20251110

**DATE AS OF CHANGE**: 20251110

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ADVENT TECHNOLOGIES HOLDINGS, INC.
- **CENTRAL INDEX KEY:** 0001744494
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 830982969
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38742
- **FILM NUMBER:** 251465168

**BUSINESS ADDRESS:**
- **STREET 1:** 500 RUTHERFORD AVENUE
- **STREET 2:** SUITE 102
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02129
- **BUSINESS PHONE:** 857-264-7035

**MAIL ADDRESS:**
- **STREET 1:** 500 RUTHERFORD AVENUE
- **STREET 2:** SUITE 102
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02129

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMCI Acquisition Corp.
- **DATE OF NAME CHANGE:** 20180622

?xml version='1.0' encoding='ASCII'?

**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): November 5, 2025**

**Advent Technologies Holdings, Inc.**

(Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Delaware** | **001-38742** | **83-0982969** |
| (State or other jurisdiction<br> of incorporation) | (Commission<br> File Number) | (IRS Employer<br> 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:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol** | **Name of each exchange on which registered** |
| Common stock, par value $0.0001 per share | ADN | Over The Counter (OTC) Market |
| Warrants to purchase one share of common stock, each at an exercise price of $345.00 | ADNWW | Over The Counter (OTC) Market |

---

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. ☐

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| | |
|:---|:---|
| **Item 1.02** | **Termination of a Material Definitive Agreement.** |

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As previously disclosed in a Current Report on Form 8-K filed with the Securities and Exchange Commission on August 7, 2025, on August 1, 2025, Advent Technologies Holdings, Inc. (the "Company") entered into a Securities Purchase Agreement (the "Securities Purchase Agreement") with Hudson Global Ventures LLC ("Hudson"), pursuant to which Hudson made a loan to the Company, evidenced by a Convertible Promissory Note in the aggregate principal amount of $235,000.00, including an original issue discount of $25,000.00 (the "Promissory Note"), with interest accruing at an annual rate of twelve percent (12%) to be computed on the basis of a 360-day year, in addition to a pre-funded warrant to purchase 130,000 shares of the Company's common stock, par value $0.0001 per share.

As of November 5, 2025, the Company repaid all amounts owed pursuant to the Promissory Note and satisfied all conditions of the Promissory Note; as a result of such satisfaction, the Promissory Note is satisfied in full and terminated upon repayment and satisfaction.

**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: November 10, 2025

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

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