# EDGAR Filing Document

**Accession Number:** 0001744494
**File Stem:** 0000000000-25-009038
**Filing Date:** 2025-8
**Character Count:** 2332
**Document Hash:** 30d7e9dfe1427d4d858a4c9dea68bec6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-25-009038.hdr.sgml**: 20250926

**ACCESSION NUMBER**: 0000000000-25-009038

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250825

**FILED FOR**: 

**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:** UPLOAD
- **SEC FILE NUMBER:** 333-289686

**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
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001829126-25-006432

## Text-Extract

```

                                                           August 25, 2025

Gary Herman
Chief Executive Officer
ADVENT TECHNOLOGIES HOLDINGS, INC.
5637 La Ribera St. Suite A
Livermore, CA 94550

       Re: ADVENT TECHNOLOGIES HOLDINGS, INC.
           Registration Statement on Form S-1
           Filed August 18, 2025
           File No. 333-289686
Dear Gary Herman:

       This is to advise you that we have not reviewed and will not review your
registration
statement.

        Please refer to Rules 460 and 461 regarding requests for acceleration.
We remind you
that the company and its management are responsible for the accuracy and
adequacy of their
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

       Please contact Kristin Baldwin at 202-551-7172 with any questions.

                                                           Sincerely,

                                                           Division of
Corporation Finance
                                                           Office of
Manufacturing

```

### Attached PDF Documents

**Attachment 1:** `filename1`

_No text found in this document._