STOCK TITAN

Director granted 2,306 options at Cardio Diagnostics (NASDAQ: CDIO)

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Cardio Diagnostics Holdings, Inc. director Peter K. Fung reported receiving a grant of stock options. On 12/31/2025, he was awarded options to buy 2,306 shares of common stock at an exercise price of $2.71 per share. After this grant, he beneficially owns a total of 6,308 stock options directly. This filing records the equity compensation awarded to a board member and does not involve any sale of shares.

Positive

  • None.

Negative

  • None.
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Fung Peter K

(Last) (First) (Middle)
C/O CARDIO DIAGNOSTICS HOLDINGS INC.
311 W. SUPERIOR ST. SUITE 444

(Street)
CHICAGO IL 60654

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Cardio Diagnostics Holdings, Inc. [ CDIO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (Right to Buy) $2.71 12/31/2025 A 2,306 12/31/2025 12/31/2035 Common Stock 2,306 $2.71 6,308 D
Explanation of Responses:
/s/ Elisa Luqman as attorney-in-fact for Peter Fung 01/06/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did CDIO director Peter K. Fung report?

Peter K. Fung, a director of Cardio Diagnostics Holdings, Inc. (CDIO), reported the grant of stock options as an equity award.

How many stock options were granted to the CDIO director?

He was granted 2,306 stock options, each representing the right to buy one share of Cardio Diagnostics common stock.

What is the exercise price of the new Cardio Diagnostics stock options?

The granted stock options have an exercise price of $2.71 per share.

What is the total number of stock options Peter K. Fung owns after this transaction?

Following this grant, Peter K. Fung beneficially owns 6,308 stock options directly.

Does this CDIO Form 4 show any sale of Cardio Diagnostics shares?

No. The reported transaction is coded "A" for acquisition of derivative securities (stock options), with no share disposals shown.

Is the ownership of these Cardio Diagnostics options direct or indirect?

The filing shows direct ownership of the 6,308 stock options, with no indirect ownership entity disclosed.

Cardio Diagnostics Holdings Inc

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Biotechnology
In Vitro & in Vivo Diagnostic Substances
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United States
CHICAGO