Company filings profile · CIK 0001799011

Lucid Diagnostics Inc. — SEC filings & insider activity.

Real, source-linked SEC EDGAR activity for Lucid Diagnostics Inc. (LUCD): 3 filings in the last 90 days vs 15 in the prior 90 (filing-velocity cooling ↓ · 0.2×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.

✔ Verified against the public SEC EDGAR filing record as of Sep 23, 2026. Source-linked, daily-refreshed.

Material 8-K events — Lucid Diagnostics Inc.

8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).

FiledEvent
Sep 22, 2026Regulation FD Disclosure; Financial Statements and Exhibits
Aug 13, 2026Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
Jun 24, 2026Amendments to Bylaws/Charter; Item 5.07; Financial Statements and Exhibits
May 14, 2026Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
Apr 24, 2026Regulation FD Disclosure; Other Events; Financial Statements and Exhibits
Apr 23, 2026Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits
Mar 26, 2026Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
Nov 12, 2025Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits

Watch Lucid Diagnostics Inc. automatically

Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.

Insider transactions (Form 4 / 3 / 5)

FiledForm
May 21, 20264
Apr 13, 20263
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Feb 24, 20264
Oct 7, 20254
Oct 7, 20253
Aug 22, 20254
May 22, 20254

Recent filings

FiledFormDetail
Sep 22, 20268-K Regulation FD Disclosure; Financial Statements and Exhibits
Aug 13, 20268-K Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
Aug 12, 202610-Q FORM 10-Q
Jun 24, 20268-K Amendments to Bylaws/Charter; Item 5.07; Financial Statements and Exhibits
May 21, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
May 14, 20268-K Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
May 13, 202610-Q FORM 10-Q
Apr 30, 2026DEFA14A DEFA14A
Apr 30, 2026ARS ARS
Apr 30, 2026DEF 14A DEF 14A
Apr 24, 20263/A AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Apr 24, 20268-K Regulation FD Disclosure; Other Events; Financial Statements and Exhibits
Apr 23, 2026424B5 424B5
Apr 23, 20268-K Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits
Apr 20, 2026PRE 14A PRE 14A
Apr 13, 20263 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Apr 3, 2026S-8 S-8
Apr 3, 2026S-8 S-8
Mar 26, 2026EFFECT Item ; Item ; Item
Mar 26, 2026424B5 424B5
Mar 26, 20268-K Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
Mar 26, 2026S-3/A S-3/A
Mar 25, 2026CORRESP
Mar 25, 202610-K FORM 10-K
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 24, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Feb 9, 2026SCHEDULE 13D/A
Dec 5, 2025S-3 S-3
Nov 12, 20258-K Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits
Nov 12, 202510-Q 10-Q
Oct 10, 2025SCHEDULE 13D/A