CDIO SEC Filings: 8-K, 10-Q, S-3 & 424B

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 6, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 7, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 15, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 13, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 12, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 14, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Cardio Diagnostics Holdings, Inc. Announces Voting Results from Annual Meeting of Stockholders

Sep 18, 2026

8-K

Cardio Diagnostics Holdings, Inc. (CDIO) Overview of Precision Cardiovascular Diagnostic Solutions

Aug 20, 2026

8-K

Cardio Diagnostics Presents Vision for Precision Cardiovascular Medicine Leveraging Epigenetics and AI

Feb 19, 2026

8-K

Cardio Diagnostics Holdings, Inc. Annual Meeting Results

Oct 15, 2025

8-K

Cardio Diagnostics Regains Compliance with Nasdaq Minimum Bid Price Requirement

May 28, 2025

8-K

Company Announces 1-for-30 Reverse Stock Split to Regain Nasdaq Compliance, Effective May 13, 2025

May 13, 2025

Prospectus

TYPE

HEADLINE

FILED AT

424B3

Sep 23, 2025

424B3

Sep 11, 2025

424B3

UPDATED | SHARE RESALE REGISTRATION | Shares amount: 1,235,939

Mar 25, 2025

424B3

UPDATED | SHARE RESALE REGISTRATION | Shares amount: 11,569,942 | Warrants amount: 236,686

Mar 25, 2025

424B5

ATM | Offering amount: $9,476,508 | Amount sold to date: $15,058,006 | Float: 48,423,383

Feb 14, 2025

424B3

Dec 3, 2024

Registrations

TYPE

HEADLINE

FILED AT

POS AM

Form POS AM - Post-Effective amendments for registration statement

Sep 16, 2025

POS AM

Form POS AM - Post-Effective amendments for registration statement

Sep 5, 2025

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Apr 8, 2025

S-3

SHARE RESALE REGISTRATION | Offering amount: $50,000,000 | Float: 48,423,383 | Amount sold to date: $15,058,006

Feb 7, 2025

S-1

INITIAL REGISTRATION FOR OFFERING EFFECTIVE

Nov 22, 2024

POS AM

Up to 11,783,256 Shares of Common Stock EFFECTIVE, DATED 2024-09-05

Aug 30, 2024

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Sep 8, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Aug 7, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Aug 5, 2026

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Jul 13, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Sep 4, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Sep 4, 2025

Ownerships

TYPE

HEADLINE

FILED AT

Betts Wendy J (Reporting)

Oct 2, 2026

Fung Peter K (Reporting)

Oct 2, 2026

Intrater James (Reporting)

Oct 2, 2026

Burton Paul Frederick (Reporting)

Oct 2, 2026

Fung Peter K (Reporting)

Jul 2, 2026

Betts Wendy J (Reporting)

Jul 2, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

Sep 22, 2025

EFFECT

Form EFFECT - Notice of Effectiveness

Sep 10, 2025

LETTER

Form UPLOAD - SEC-generated letter

May 21, 2025

CORRESP

Form CORRESP - Correspondence

May 16, 2025

LETTER

Form UPLOAD - SEC-generated letter

May 7, 2025

CORRESP

Form CORRESP - Correspondence

May 7, 2025

Cardio Diagnostics Holdings, Inc. CDIO · SEC Filings