---
schema_version: "secwatch.filing_event.v1"
accession: "0001079973-24-001660"
form_type: "8-K"
ticker: "CDIO"
cik: "0001870144"
company_name: "Cardio Diagnostics Holdings, Inc."
filed_at: "2024-12-04T23:59:59+00:00"
generated_at: "2026-05-29T09:00:38.792704+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Cardio Diagnostics gets second Nasdaq extension to June 2, 2025 for bid price rule; may reverse split

## Summary
- Second Nasdaq letter grants 180-day extension until June 2, 2025, to meet $1.00 minimum bid price.
- Common stock (CDIO) and warrants (CDIOW) continue trading; no immediate delisting effect.
- Company will consider a reverse stock split, must complete it 10 business days before deadline.
- If not compliant by end of extension, Nasdaq will issue delisting notice; company may appeal.

## SEC filing metadata
- accession: 0001079973-24-001660
- form_type: 8-K
- ticker: CDIO
- cik: 0001870144
- company_name: Cardio Diagnostics Holdings, Inc.
- filed_at: 2024-12-04T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1870144/000107997324001660/0001079973-24-001660-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1870144/000107997324001660/cdio_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001079973-24-001660
- JSON: https://secwatch.observer/filing/0001079973-24-001660.json
- Plain text: https://secwatch.observer/filing/0001079973-24-001660.txt

## Key facts
- Listing & Compliance Notices
  Cardio Diagnostics Holdings, Inc. received a nasdaq noncompliance notice notice regarding minimum bid price (rules 5550(a)(2), 5810(c)(3)(A)).
  - Exchange: nasdaq
  - Notice: noncompliance notice
  - Deficiency: minimum bid price
  - Rules: 5550(a)(2), 5810(c)(3)(A)
  source text: December 4, 2024 (the "Second Nasdaq Bid Price Letter”), Nasdaq notified the Company that Nasdaq’s Staff has determined that the Company is eligible for an additional 180 calendar day period, or until June 2, 2025, to regain compliance (the "Second Compliance Period”). The determination is based on the Company’s meeting the continued listing requirement for market value of publicly held shares and all other applicable requirements for initial listing on The Nasdaq Capital Market with the exception of the Minimum Bid Price Requirement, and the Company’s written notice of its intention to cure t
  evidence_url: https://www.sec.gov/Archives/edgar/data/1870144/000107997324001660/0001079973-24-001660-index.htm

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