---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-24-007869"
form_type: "8-K"
ticker: "ADNH"
cik: "0001744494"
company_name: "ADVENT TECHNOLOGIES HOLDINGS, INC."
filed_at: "2024-11-27T23:59:59+00:00"
generated_at: "2026-05-29T14:57:19.015806+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Advent Technologies receives Nasdaq delisting notice for late 10-Q filing; must submit plan by Jan 21

## Summary
- Nasdaq letter dated Nov 22, 2024 citing failure to file Q3 2024 10-Q by Nov 20 deadline.
- No immediate effect on ADN/ADNWW listing; compliance plan due by Jan 21, 2025.
- If plan accepted, Nasdaq may grant exception until May 19, 2025 to regain compliance.
- Company intends to submit plan but no assurance of acceptance or eventual compliance.

## SEC filing metadata
- accession: 0001829126-24-007869
- form_type: 8-K
- ticker: ADNH
- cik: 0001744494
- company_name: ADVENT TECHNOLOGIES HOLDINGS, INC.
- filed_at: 2024-11-27T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1744494/000182912624007869/0001829126-24-007869-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1744494/000182912624007869/adventtech_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-24-007869
- JSON: https://secwatch.observer/filing/0001829126-24-007869.json
- Plain text: https://secwatch.observer/filing/0001829126-24-007869.txt

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