---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-25-006101"
form_type: "8-K"
ticker: "ADNH"
cik: "0001744494"
company_name: "ADVENT TECHNOLOGIES HOLDINGS, INC."
filed_at: "2025-08-12T23:59:59+00:00"
generated_at: "2026-05-17T14:42:14.634955+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Advent gains exclusive license to Los Alamos Ion Pair tech in marine, aviation, portable power

## Summary
- New agreement with TRIAD National Security grants exclusivity for Ion Pair technology in marine, aviation, and portable power fields.
- Advent retains non-exclusive rights in all other fields; prior license superseded.
- CEO Gary Herman says expansion solidifies Advent as leader in High Temperature PEM technology.
- Marine field covers vessel propulsion, auxiliary power, dockside support; aviation covers propulsion, APUs, GPUs.
- Human portable power field covers fuel cell units ≤160 lbs for defense, emergency, off-grid use.

## SEC filing metadata
- accession: 0001829126-25-006101
- form_type: 8-K
- ticker: ADNH
- cik: 0001744494
- company_name: ADVENT TECHNOLOGIES HOLDINGS, INC.
- filed_at: 2025-08-12T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1744494/000182912625006101/0001829126-25-006101-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1744494/000182912625006101/adventtech_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-25-006101
- JSON: https://secwatch.observer/filing/0001829126-25-006101.json
- Plain text: https://secwatch.observer/filing/0001829126-25-006101.txt

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