---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-23-003887"
form_type: "8-K"
ticker: "ADNH"
cik: "0001744494"
company_name: "ADVENT TECHNOLOGIES HOLDINGS, INC."
filed_at: "2023-06-02T23:59:59+00:00"
generated_at: "2026-06-14T08:25:37.549261+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Advent Technologies enters ATM equity offering for up to $50M

## Summary
- ATM Agreement with H.C. Wainwright on June 2, 2023, allows sale of up to $50M of common stock.
- Commission rate of 3.0% of gross proceeds payable to the agent.
- Shares sold at prevailing market prices on Nasdaq in at-the-market offerings.
- Offering registered under effective Form S-3 and prospectus supplement filed June 2, 2023.
- Company has no obligation to sell; can suspend or terminate the program at any time.

## SEC filing metadata
- accession: 0001829126-23-003887
- form_type: 8-K
- ticker: ADNH
- cik: 0001744494
- company_name: ADVENT TECHNOLOGIES HOLDINGS, INC.
- filed_at: 2023-06-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1744494/000182912623003887/0001829126-23-003887-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1744494/000182912623003887/adventtech_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-23-003887
- JSON: https://secwatch.observer/filing/0001829126-23-003887.json
- Plain text: https://secwatch.observer/filing/0001829126-23-003887.txt

## Key facts
- Material Agreements
  ADVENT TECHNOLOGIES HOLDINGS, INC. entered into At The Market Offering Agreement with H.C. Wainwright & Co., LLC valued at up to $50 million (effective 2023-06-02).
  - Action: entry
  - Agreement: atm program
  - Counterparty: H.C. Wainwright & Co., LLC
  - Value: up to $50 million
  - Effective: 2023-06-02
  source text: On June 2, 2023, Advent Technologies Holdings, Inc., a Delaware corporation (the “Company”), entered into an At The Market Offering Agreement (the “ATM Agreement”) with H.C. Wainwright & Co., LLC, as sales agent (the “Agent”), for an at-the-market equity program under which it may sell up to $50 million of shares
  evidence_url: https://www.sec.gov/Archives/edgar/data/1744494/000182912623003887/0001829126-23-003887-index.htm

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