---
schema_version: "secwatch.filing_event.v1"
accession: "0001079973-23-001304"
form_type: "8-K"
ticker: "CDIO"
cik: "0001870144"
company_name: "Cardio Diagnostics Holdings, Inc."
filed_at: "2023-09-25T23:59:59+00:00"
generated_at: "2026-06-10T09:21:22.746114+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Cardio Diagnostics receives Nasdaq minimum bid price deficiency notice

## Summary
- Received Nasdaq notice on Sept 21, 2023 for common stock bid price below $1.00 for 30 consecutive business days.
- Company has 180 calendar days, until March 19, 2024, to regain compliance by closing at $1.00+ for 10 consecutive days.
- If non-compliant by deadline, may qualify for an additional 180-day period if other listing standards met.
- Company considering options including stockholder approval for a reverse stock split to cure deficiency.
- Trading of common stock and warrants on Nasdaq continues unaffected during the cure period.

## SEC filing metadata
- accession: 0001079973-23-001304
- form_type: 8-K
- ticker: CDIO
- cik: 0001870144
- company_name: Cardio Diagnostics Holdings, Inc.
- filed_at: 2023-09-25T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1870144/000107997323001304/0001079973-23-001304-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1870144/000107997323001304/cdio_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001079973-23-001304
- JSON: https://secwatch.observer/filing/0001079973-23-001304.json
- Plain text: https://secwatch.observer/filing/0001079973-23-001304.txt

## Key facts
- Listing & Compliance Notices
  Cardio Diagnostics Holdings, Inc. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5450(a)(2), 5810(c)(3)(A), 5810(c)(3)(H)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: minimum bid price
  - Rules: 5450(a)(2), 5810(c)(3)(A), 5810(c)(3)(H)
  source text: ilure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On September 21, 2023, Cardio Diagnostics Holdings, Inc. (the “Company”) received a written notice from The Nasdaq Stock Market LLC (“Nasdaq”) indicating that the Company is no longer in compliance with Nasdaq Listing Rule 5450(a)(2), because the minimum bid price of the Company’s common stock has been below $1.00 per share for 30 consecutive business days (the “Notice”). The Notice has no immediate effect on the listing or trading of the Company’s common stock or warrants on the Nasdaq Capital Market. In accordance w
  evidence_url: https://www.sec.gov/Archives/edgar/data/1870144/000107997323001304/0001079973-23-001304-index.htm

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