---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-24-005675"
form_type: "8-K"
ticker: "ADNH"
cik: "0001744494"
company_name: "ADVENT TECHNOLOGIES HOLDINGS, INC."
filed_at: "2024-08-20T23:59:59+00:00"
generated_at: "2026-05-31T08:29:28.581886+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Advent Technologies Q4 2023 net loss $25.7M; revenue down 3.6% YoY; strategic pivot to MEA licensing

## Summary
- Q4 2023 revenue + grants of $2.3M, down 3.6% YoY; full year revenue + grants $7.4M, down 20.9% YoY.
- Net loss of $25.7M ($12.04/share); adjusted net loss $22.1M ($10.32/share); operating expenses $44.6M.
- Unrestricted cash $3.6M at Dec 31, 2023; CEO reports 70% cost reduction from restructuring.
- Closed non-profitable subsidiaries in Boston, Denmark, Philippines; pivoting to MEA manufacturing and licensing.
- Partnerships include Airbus $13M JDA, US DoD $5M contracts, and Hyundai JDA for fuel cell tech.

## SEC filing metadata
- accession: 0001829126-24-005675
- form_type: 8-K
- ticker: ADNH
- cik: 0001744494
- company_name: ADVENT TECHNOLOGIES HOLDINGS, INC.
- filed_at: 2024-08-20T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1744494/000182912624005675/0001829126-24-005675-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1744494/000182912624005675/adventtechnologies_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-24-005675
- JSON: https://secwatch.observer/filing/0001829126-24-005675.json
- Plain text: https://secwatch.observer/filing/0001829126-24-005675.txt

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