LUCD SEC Filings: 8-K, 10-Q, S-3 & 424B

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 12, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 13, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 25, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 12, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 12, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 13, 2025

News

TYPE

HEADLINE

FILED AT

8-K

$15 Million Series C Preferred Stock Offering Includes 20% Dividends, Convertible Shares, and Reduced Existing Note Conversion Price

Oct 22, 2026

8-K

Lucid Diagnostics Receives Nasdaq Minimum Bid Price Deficiency Notice

Oct 16, 2026

8-K

Lucid Diagnostics Advances Payment, Billing, and Coding Pathways for EsoGuard and EsoCheck

Sep 22, 2026

8-K

Lucid Diagnostics Reports Second Quarter 2026 Financial Results and Business Update

Aug 13, 2026

8-K

Lucid Diagnostics Inc. Announces Results of 2026 Annual Meeting of Stockholders

Jun 24, 2026

8-K

Lucid Diagnostics Reports First Quarter 2026 Financial Results and Business Update

May 14, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

REGISTERED OFFERING

Apr 23, 2026

424B5

[No Baby Shelf]* March 2026 ATM | Offering amount: $25,000,000 | Bank: Maxim Group LLC

Mar 26, 2026

424B5

REGISTERED OFFERING

Sep 10, 2025

424B5

PENDING FIXED PRICE OFFERING | Bank: Canaccord Genuity, BTIG, Maxim Group LLC

Sep 9, 2025

424B3

UPDATED | SHARE RESALE REGISTRATION | Shares amount: 36,975,000

Jun 3, 2025

424B5

May 2025 ATM

May 30, 2025

Registrations

TYPE

HEADLINE

FILED AT

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Apr 2, 2026

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Apr 2, 2026

S-3/A

March 2026 SHELF + ATM

Mar 25, 2026

S-3

December 2025 SHELF & ATM EFFECTIVE, DATED 2026-03-26

Dec 5, 2025

S-3

SHARE RESALE REGISTRATION | Shares amount: 36,975,000

May 21, 2025

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Jan 31, 2025

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 30, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 30, 2026

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Apr 20, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 30, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 30, 2025

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Apr 18, 2025

Ownerships

TYPE

HEADLINE

FILED AT

Matheis Dennis (Reporting)

May 21, 2026

3/A

Lee Victoria Tou-ho (Reporting)

Apr 24, 2026

Lee Victoria Tou-ho (Reporting)

Apr 13, 2026

S-3/A

Form S-3/A - Registration statement under Securities Act of 1933: [Amend]

Mar 25, 2026

Aklog Lishan (Reporting)

Feb 24, 2026

Matheis Dennis (Reporting)

Feb 24, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

Mar 27, 2026

CORRESP

Form CORRESP - Correspondence

Mar 25, 2026

EFFECT

Form EFFECT - Notice of Effectiveness

Jun 2, 2025

CORRESP

Form CORRESP - Correspondence

May 27, 2025

LETTER

Form UPLOAD - SEC-generated letter

May 27, 2025

EFFECT

Form EFFECT - Notice of Effectiveness

Jul 19, 2024

Lucid Diagnostics Inc. LUCD · SEC Filings