---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-24-003205"
form_type: "8-K"
ticker: "ADNH"
cik: "0001744494"
company_name: "ADVENT TECHNOLOGIES HOLDINGS, INC."
filed_at: "2024-05-09T23:59:59+00:00"
generated_at: "2026-06-02T06:33:38.088450+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Advent Technologies announces 1-for-30 reverse stock split effective May 14, 2024

## Summary
- Reverse stock split ratio of 1-for-30, effective at open on May 14, 2024.
- Outstanding shares reduced from ~77.6M to ~2.6M; fractional shares paid in cash.
- Split intended to meet Nasdaq $1.00 minimum bid price requirement for continued listing.
- Common stock (ADN) and warrants (ADNWW) trade on split-adjusted basis under same symbols.
- CUSIP for common stock post-split: 00788A 204.

## SEC filing metadata
- accession: 0001829126-24-003205
- form_type: 8-K
- ticker: ADNH
- cik: 0001744494
- company_name: ADVENT TECHNOLOGIES HOLDINGS, INC.
- filed_at: 2024-05-09T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1744494/000182912624003205/0001829126-24-003205-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1744494/000182912624003205/adventyechnologies_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-24-003205
- JSON: https://secwatch.observer/filing/0001829126-24-003205.json
- Plain text: https://secwatch.observer/filing/0001829126-24-003205.txt

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