---
schema_version: "secwatch.filing_event.v1"
accession: "0001079973-24-000172"
form_type: "8-K"
ticker: "CDIO"
cik: "0001870144"
company_name: "Cardio Diagnostics Holdings, Inc."
filed_at: "2024-02-02T23:59:59+00:00"
generated_at: "2026-06-06T10:12:47.868313+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Cardio Diagnostics raises $1M via private placement of 561,793 units (stock + warrants) at $1.78/unit

## Summary
- Gross proceeds of $1,000,000 from sale of 561,793 units to 7 accredited investors at $1.78 per unit.
- Each unit includes one share of common stock and a six-year warrant exercisable at $1.78 per share.
- Placement agent Altitude Capital received 10% cash commission plus 112,353 warrant coverage at $1.78 through Feb 2030.
- Chairman Warren Hosseinion, M.D., holds 10% ownership in Altitude Capital; recused from board approval.
- Net proceeds to be used for working capital and general corporate purposes; resale registration planned within 180 days.

## SEC filing metadata
- accession: 0001079973-24-000172
- form_type: 8-K
- ticker: CDIO
- cik: 0001870144
- company_name: Cardio Diagnostics Holdings, Inc.
- filed_at: 2024-02-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1870144/000107997324000172/0001079973-24-000172-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1870144/000107997324000172/cdio_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001079973-24-000172
- JSON: https://secwatch.observer/filing/0001079973-24-000172.json
- Plain text: https://secwatch.observer/filing/0001079973-24-000172.txt

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