---
schema_version: "secwatch.filing_event.v1"
accession: "0001079973-24-000169"
form_type: "8-K"
ticker: "CDIO"
cik: "0001870144"
company_name: "Cardio Diagnostics Holdings, Inc."
filed_at: "2024-02-01T23:59:59+00:00"
generated_at: "2026-06-06T11:35:56.646954+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Cardio Diagnostics enters $17M at-the-market equity offering with Craig-Hallum

## Summary
- Up to $17M in common stock may be sold via Craig-Hallum as sales agent under an ATM offering.
- Craig-Hallum will receive 2.5% commission on gross proceeds; legal fee reimbursement up to $55,000.
- Proceeds to be used for general corporate purposes, including working capital and capex.
- Registration statement on Form S-3 declared effective by SEC on February 1, 2024.
- Sales may be made on Nasdaq Capital Market through ordinary brokers' transactions or negotiated deals.

## SEC filing metadata
- accession: 0001079973-24-000169
- form_type: 8-K
- ticker: CDIO
- cik: 0001870144
- company_name: Cardio Diagnostics Holdings, Inc.
- filed_at: 2024-02-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1870144/000107997324000169/0001079973-24-000169-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1870144/000107997324000169/cdio_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001079973-24-000169
- JSON: https://secwatch.observer/filing/0001079973-24-000169.json
- Plain text: https://secwatch.observer/filing/0001079973-24-000169.txt

## Key facts
- Material Agreements
  Cardio Diagnostics Holdings, Inc. entered into Sales Agreement with Craig-Hallum Capital Group LLC valued at up to an aggregate of $17 million (effective 2024-01-26).
  - Action: entry
  - Agreement: atm program
  - Counterparty: Craig-Hallum Capital Group LLC
  - Value: up to an aggregate of $17 million
  - Effective: 2024-01-26
  source text: On January 26, 2024, Cardio Diagnostics Holdings, Inc. (the “Company”) entered into an At-the-Market Issuance Sales Agreement (the “Sales Agreement”) with Craig-Hallum Capital Group LLC (“Craig-Hallum”). Pursuant to the Sales Agreement, the Company may sell, at its option, up to an aggregate of $17 million in shares of its common stock through Craig-Hallum, as sales agent.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1870144/000107997324000169/0001079973-24-000169-index.htm

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