---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-23-040556"
form_type: "8-K"
ticker: "LUCD"
cik: "0001799011"
company_name: "Lucid Diagnostics Inc."
filed_at: "2023-11-13T23:59:59+00:00"
generated_at: "2026-06-08T05:20:51.586659+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Lucid Diagnostics appoints Shaun M. O'Neil as President, effective Nov 6, 2023

## Summary
- Shaun M. O'Neil (age 41) appointed President, effective Nov 6, 2023; retains COO role.
- O'Neil also serves as COO of PAVmed Inc., the parent company.
- No transactions disclosed between O'Neil and Lucid requiring Item 404(a) reporting.

## SEC filing metadata
- accession: 0001493152-23-040556
- form_type: 8-K
- ticker: LUCD
- cik: 0001799011
- company_name: Lucid Diagnostics Inc.
- filed_at: 2023-11-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1799011/000149315223040556/0001493152-23-040556-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1799011/000149315223040556/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-23-040556
- JSON: https://secwatch.observer/filing/0001493152-23-040556.json
- Plain text: https://secwatch.observer/filing/0001493152-23-040556.txt

## Key facts
- Executive change
  Shaun M. O'Neil was appointed as President at Lucid Diagnostics Inc..
  - Action: appointed
  - Role: President
  source text: Effective on November 6, 2023, the board of directors (the “ Board ”) of Lucid Diagnostics Inc. (the “ Company ”) appointed Shaun M. O’Neil as the President of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1799011/000149315223040556/0001493152-23-040556-index.htm

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