Current Report · Items 5.07, 9.01 · 8-K

Cardio Diagnostics Holdings, Inc.

CDIONASDAQEQUITYCurrent

Submission of Matters to a Vote of Security Holders

Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description of Exhibit ───────────────────────────────────────────────────────────────────────────────── 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Filed Sep 18, 2026Accepted Sep 18, 2026, 4:45 PM EDTCIK 1870144Accession 0001553350-26-000131

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Company context

Current securities

CDIONASDAQ · EQUITY · Current CDIOWNASDAQ · WARRANT · Current

Historical securities (4)

MAAQNASDAQ · EQUITY · Historical · closed Oct 26, 2022 MAAQRNASDAQ · RIGHT · Historical · closed Oct 26, 2022 MAAQUNASDAQ · UNIT · Historical · closed Oct 26, 2022 MAAQWOTC · WARRANT · Historical · closed Oct 26, 2022

Recent company filings

Registered securities in this filing

CARDIO DIAGNOSTICS HOLDINGS, INC. · 8-K · Filed 2026-09-18

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Stock, par value $0.00001

Symbol: CDIO
Exchange: NASDAQ
Classification: COMMON
Status: Current

Filing context

Context: From2026-09-182026-09-18_custom_CommonStockParValue0.00001Member

Dimensions: us-gaap:StatementClassOfStockAxis

Redeemable Warrants, each warrant exercisable for one share of Common Stock

Symbol: CDIOW
Exchange: NASDAQ
Classification: WARRANT
Status: Current

Filing context

Context: From2026-09-182026-09-18_custom_RedeemableWarrantsEachWarrantExercisableForOnehalfOfOneShareOfCommonStockMember

Dimensions: us-gaap:StatementClassOfStockAxis

Accession 000155335026000131 · 2 registered-security cover members

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Disclosure sections

Items 5.07, 9.01

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Item 9.01Item 9.01 - Financial Statements and Exhibits