Cardio Diagnostics Holdings, Inc. SEC filings CDIOW

Cardio Diagnostics Holdings, Inc. has 295 filings in SEC EDGAR's recent list, going back to Jul 20, 2021. Its latest annual report, Form ARS, was filed on Jul 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 18, 2026 (shareholder vote results). The company's fiscal year ends on December 31.

Cardio Diagnostics Holdings, Inc. SEC filings
Form Description Filed Period
EFFECT Filing Sep 19, 2025 —
EFFECT Filing Sep 9, 2025 —
UPLOAD Letter from the SEC May 21, 2025 —
CORRESP Letter to the SEC May 16, 2025 —
UPLOAD Letter from the SEC May 7, 2025 —
CORRESP Letter to the SEC May 7, 2025 —
UPLOAD Letter from the SEC Apr 24, 2025 —
EFFECT Filing Feb 14, 2025 —
CORRESP Letter to the SEC Feb 13, 2025 —
UPLOAD Letter from the SEC Feb 13, 2025 —
EFFECT Filing Dec 3, 2024 —
CORRESP Letter to the SEC Dec 2, 2024 —
UPLOAD Letter from the SEC Nov 26, 2024 —
EFFECT Filing Sep 5, 2024 —
D Filing Feb 6, 2024 —
EFFECT Filing Feb 1, 2024 —
CORRESP Letter to the SEC Jan 30, 2024 —
UPLOAD Letter from the SEC Jan 30, 2024 —
DEL AM Delaying amendment Jan 29, 2024 —
EFFECT Filing Apr 28, 2023 —
EFFECT Filing Apr 11, 2023 —
CORRESP Letter to the SEC Apr 10, 2023 —
UPLOAD Letter from the SEC Apr 10, 2023 —
EFFECT Filing Jan 24, 2023 —
CORRESP Letter to the SEC Jan 20, 2023 —
UPLOAD Letter from the SEC Dec 22, 2022 —
25-NSE Delisting notice Oct 26, 2022 —
425 Filing Oct 11, 2022 —
SEC STAFF LETTER Filing Oct 7, 2022 —
EFFECT Filing Oct 6, 2022 —
CORRESP Letter to the SEC Oct 5, 2022 —
CORRESP Letter to the SEC Oct 3, 2022 —
UPLOAD Letter from the SEC Sep 30, 2022 —
425 Filing Sep 23, 2022 —
425 Filing Sep 21, 2022 —
CORRESP Letter to the SEC Sep 15, 2022 —
425 Filing Sep 15, 2022 —
UPLOAD Letter from the SEC Sep 9, 2022 —
425 Filing Aug 26, 2022 —
425 Filing Aug 25, 2022 —
CORRESP Letter to the SEC Aug 23, 2022 —
UPLOAD Letter from the SEC Aug 8, 2022 —
SEC STAFF LETTER Filing Aug 4, 2022 —
AW Form aw Jul 27, 2022 —
CORRESP Letter to the SEC Jul 25, 2022 —
UPLOAD Letter from the SEC Jul 5, 2022 —
425 Filing May 31, 2022 —
EFFECT Filing Nov 22, 2021 —
CERT Filing Nov 22, 2021 —
8-A12B Form 8-a12b Nov 22, 2021 —
DRS Filing Jul 20, 2021 —

Showing 51 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
In Vitro & In Vivo Diagnostic Substances (SIC 2835)
Listed as
CDIO (Nasdaq), CDIOW (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Chicago, IL
SEC filer status
, Emerging growth company
SEC CIK
1870144
Former names
Mana Capital Acquisition Corp. (until Oct 26, 2022)

Other In Vitro & In Vivo Diagnostic Substances companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.