---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-25-007169"
form_type: "8-K"
ticker: "ADNH"
cik: "0001744494"
company_name: "ADVENT TECHNOLOGIES HOLDINGS, INC."
filed_at: "2025-09-04T23:59:59+00:00"
generated_at: "2026-05-17T08:19:33.079469+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Advent Technologies enters $418K convertible note financing with Hudson Global Ventures

## Summary
- Principal $418,000 with $42,000 OID, net proceeds $376,000; 12% annual interest.
- Eleven monthly amortization payments of $38,000 starting Oct 1, 2025; maturity Aug 1, 2026.
- Convertible at $2.00 per share; also issued pre-funded warrant for 130,000 shares at $0.0001.
- Proceeds to be used for corporate expenses and general working capital.
- Prepayment penalty of 118% (100% if prepaid by Oct 1, 2025).

## SEC filing metadata
- accession: 0001829126-25-007169
- form_type: 8-K
- ticker: ADNH
- cik: 0001744494
- company_name: ADVENT TECHNOLOGIES HOLDINGS, INC.
- filed_at: 2025-09-04T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1744494/000182912625007169/0001829126-25-007169-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1744494/000182912625007169/adventtech_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-25-007169
- JSON: https://secwatch.observer/filing/0001829126-25-007169.json
- Plain text: https://secwatch.observer/filing/0001829126-25-007169.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.