[Form 3] Lucid Diagnostics Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

John R. Palumbo, a director of Lucid Diagnostics Inc. (LUCD), filed an Initial Statement of Beneficial Ownership reporting direct ownership of 47,857 shares of common stock. The transaction date requiring the filing is 09/22/2025. The Form 3 was signed by Michael A. Gordon by power of attorney on 10/07/2025. No derivative securities or additional holdings were reported on this form.

Positive

• Director ownership of 47,857 shares aligns management interests with shareholders
• Timely Section 16 disclosure filed for the 09/22/2025 event

Negative

• None.

Insights

Corporate Governance Analyst

Director filing shows modest direct stake, signaling basic insider alignment.

The filing records a direct holding of 47,857 common shares by a company director, which is a routine disclosure under Section 16. This level of ownership provides a measurable, though not controlling, equity stake that aligns the director with shareholder outcomes.

Filing timeliness and the use of a power of attorney for signature are procedural details to note; there are no derivatives or additional appointments disclosed. Watch for future Forms 4 or 5 that would show changes in this position or option grants within the next reporting cycle.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

PALUMBO JOHN R

(Last) (First) (Middle)

360 MADISON AVENUE

25TH FLOOR

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/22/2025

3. Issuer Name and Ticker or Trading Symbol
Lucid Diagnostics Inc. [ LUCD ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	47,857	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Michael A. Gordon, by power of attorney	10/07/2025
	** 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 5 (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 did the Form 3 filed for LUCD disclose?

The Form 3 reports that director John R. Palumbo directly owns 47,857 shares of Lucid Diagnostics common stock.

When is the event date listed on the LUCD Form 3?

The event requiring the filing is dated 09/22/2025.

Who signed the Form 3 for John R. Palumbo?

The form was signed by Michael A. Gordon by power of attorney on 10/07/2025.

Were any derivative securities reported on this Form 3 for LUCD?

No. The filing shows only non-derivative common stock holdings and lists no derivative securities.

Is the reported ownership direct or indirect?

The filing specifies the ownership as direct (D) for the 47,857 shares.