Lucid Diagnostics gets April 12, 2027 Nasdaq deadline

Q: How long does LUCD have to regain Nasdaq compliance?

Lucid Diagnostics has until April 12, 2027, the end of the initial 180-calendar-day period, to regain compliance. Nasdaq said the closing bid must be at least $1 for a minimum of 10 consecutive business days.

LUCD remains listed while Lucid has until April 12, 2027 to meet Nasdaq's $1 closing-bid test.

Filing Impact

(High)

Filing Sentiment

(Negative)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

8-K

Rhea-AI Filing Summary

Lucid Diagnostics Inc. received a Nasdaq notice that its closing bid price had been below the $1 per-share minimum for 30 consecutive business days through October 9, 2026. Nasdaq gave the company until April 12, 2027, an initial 180-calendar-day period, to regain compliance by closing at or above $1 for at least 10 consecutive business days.

If Lucid does not regain compliance, it may be eligible for an additional 180-day period. If it is not eligible, or Nasdaq staff believes it will not be able to cure the deficiency, Nasdaq will provide notice after the initial period that the securities will be subject to delisting. The notice does not currently affect the listing, and LUCD will continue trading uninterrupted.

0 points · 0 major

How this balance works

Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.

It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.

Rhea-AI Sentiment measures something else, the tone of the wording.

How the balance works How Sentiment works

0 major · 1 point

How the balance works

Positive

None.

Negative

Moderate pointNasdaq deficiency: 180 days to regain compliance with the $1 minimum bid price.

Insights

Analyzing...

8-K Event Classification

2 items: 3.01, 9.01

2 items

Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing Securities

The company received a delisting notice, failed to satisfy a continued-listing rule or standard, or transferred its listing.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Below-minimum closing bid period: 30 consecutive business days Minimum closing bid price: $1 per share Initial compliance period: 180 calendar days +2 more

5 metrics

Below-minimum closing bid period 30 consecutive business days Through October 9, 2026

Minimum closing bid price $1 per share Nasdaq continued-listing requirement

Initial compliance period 180 calendar days Until April 12, 2027

Required compliance streak 10 consecutive business days Closing bid price at least $1

Potential additional compliance period 180 calendar days Nasdaq stated Lucid may be eligible if it does not regain compliance during the initial period

Key Terms

closing bid price, Nasdaq Capital Market, Nasdaq Listing Rule 5550(a)(2)

3 terms

closing bid price market

"closing bid price of the Company’s common stock"

The closing bid price is the last price that a buyer was willing to pay for a security at the end of the trading day. It reflects the final visible demand for the stock — like the last offer someone makes for a used car before a yard closes — and helps investors gauge market interest, set valuations, and mark portfolios to market for that day.

Nasdaq Capital Market regulatory

"continued listing on the Nasdaq Capital Market"

The Nasdaq Capital Market is a platform where smaller, emerging companies can list their shares for trading by investors. It provides these companies with access to funding and visibility, helping them grow, much like a local marketplace where new vendors can introduce their products to potential customers. For investors, it offers opportunities to discover early-stage companies with growth potential.

Nasdaq Listing Rule 5550(a)(2) regulatory

"under Nasdaq Listing Rule 5550(a)(2)"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How long does LUCD have to regain Nasdaq compliance?

Lucid Diagnostics has until April 12, 2027, the end of the initial 180-calendar-day period, to regain compliance. Nasdaq said the closing bid must be at least $1 for a minimum of 10 consecutive business days.

Could LUCD be delisted?

Nasdaq said Lucid may be eligible for an additional 180-day period if it does not regain compliance during the initial period. If it is not eligible for that extension, or Nasdaq staff believes it will not be able to cure the deficiency, Nasdaq will provide notice after the initial period that the securities will be subject to delisting. The notice does not currently affect the listing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/16/2026 - 04:31 PM EDT Accepted by SEC EDGAR 10/16/2026 - 04:30 PM EDT

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 12, 2026

LUCID DIAGNOSTICS INC.

(Exact Name of Registrant as Specified in Charter)

Delaware

001-40901

82-5488042

(State or Other Jurisdiction

of Incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

360 Madison Avenue, 25th Floor, New York, New York		10017
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (917) 813-1828

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425).

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)).

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, Par Value $0.001 Per Share		LUCD		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 3.01.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

On October 12, 2026, Lucid Diagnostics Inc. (the “Company”) received a notice from the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) stating that, for the prior 30 consecutive business days (through October 9, 2026), the closing bid price of the Company’s common stock had been below the minimum of $1 per share required for continued listing on the Nasdaq Capital Market under Nasdaq Listing Rule 5550(a)(2).

The notification letter stated that the Company would be afforded 180 calendar days (until April 12, 2027) to regain compliance. In order to regain compliance, the closing bid price of the Company’s common stock must be at least $1 for a minimum of ten consecutive business days. The notification letter also stated that, in the event the Company does not regain compliance within the initial 180-day period, the Company may be eligible for an additional 180-day period. If the Company is not eligible for the additional 180-day period, or if it appears to the Nasdaq staff that the Company will not be able to cure the deficiency, the Nasdaq Listing Qualifications Department will provide notice after the end of the initial 180-day period that the Company’s securities will be subject to delisting.

The Nasdaq notification has no effect at this time on the listing of the Company’s common stock, and the common stock will continue to trade uninterrupted under the symbol “LUCD.” The Company intends to consider all available options to regain compliance with the Nasdaq listing standards.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits:

Exhibit No.		Description
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: October 16, 2026	LUCID DIAGNOSTICS INC.

	By:	/s/ Dennis McGrath
		Dennis McGrath
		Chief Financial Officer

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

3 documents