---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-047404"
form_type: "8-K"
ticker: "LUCD"
cik: "0001799011"
company_name: "Lucid Diagnostics Inc."
filed_at: "2026-10-16T20:30:28+00:00"
generated_at: "2026-10-16T20:32:10.391330+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Lucid Diagnostics gets Nasdaq notice: LUCD bid under $1 for 30 days, 180 days to cure

## Summary
- Nasdaq notified Lucid on Oct 12, 2026 that LUCD's closing bid price was below $1/share for 30 consecutive business days through Oct 9, 2026, per Listing Rule 5550(a)(2).
- Company has until April 12, 2027 (180 calendar days) to regain compliance, requiring a closing bid of at least $1 for a minimum of ten consecutive business days.
- If not cured, Lucid may qualify for an additional 180-day period; otherwise Nasdaq will notify the company of delisting after the initial period ends.
- LUCD continues to trade uninterrupted on the Nasdaq Capital Market; company says it will consider all available options to regain compliance.
- Filing signed Oct 16, 2026 by CFO Dennis McGrath; no other exhibits beyond the XBRL cover page.

## SEC filing metadata
- accession: 0001493152-26-047404
- form_type: 8-K
- ticker: LUCD
- cik: 0001799011
- company_name: Lucid Diagnostics Inc.
- filed_at: 2026-10-16T20:30:28+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 3.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1799011/000149315226047404/0001493152-26-047404-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1799011/000149315226047404/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-047404
- JSON: https://secwatch.observer/filing/0001493152-26-047404.json
- Plain text: https://secwatch.observer/filing/0001493152-26-047404.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.