SEC ownership of Lucid Diagnostics Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001799011.

Comparable stake leader

PAVmed Inc.

Disclosed value leader

PAVmed Inc.

Comparable rows

50/50

Latest evidence

20 May 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
PAVmed Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
20 May 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001799011
Issuer location
New York, NY

Ownership snapshot

Top shareholders of Lucid Diagnostics Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
PAVmed Inc.
Disclosed value leader
PAVmed Inc.
Comparable rows
50/50
Latest evidence
20 May 2026
13D/G 3/4/5 13F Lead comparable stake: 28% 13D/G row: PAVmed Inc. Showing 1-8 of 50 holder rows.

Quick read

PAVmed Inc. leads the comparable SEC ownership view at 28%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PAVmed Inc.'s linked filing trail.
Comparable ownership Top 5
PAVmed Inc. 28%
Ayrton Capital LLC 2%
Aklog Lishan 2.6%
Dennis M. Mcgrath 1.3%
Shaun O'Neil 1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PAVmed Inc.
13D/G 3/4/5
10%+ Owner
28%
$46,192,115
38,816,903 shares
$0 03 Feb 2026
Ayrton Capital LLC
13D/G
2%
$1,596,645
1,200,485 shares
$0 31 Dec 2024
Aklog Lishan
3/4/5
Chief Executive Officer, Director
2.6%
$4,145,754
3,636,627 shares
20 Feb 2026
Dennis M. Mcgrath
3/4/5
Chief Financial Officer
1.3%
$2,067,468
1,813,569 shares
20 Feb 2026
Shaun O'Neil
3/4/5
President and COO
1%
$1,649,309
1,446,763 shares
20 Feb 2026
Dennis Matheis
3/4/5
Director
0.73%
$1,034,579
1,033,443 shares
+$347,110 20 May 2026
Michael A. Gordon
3/4/5
General Counsel and Secretary
0.71%
$1,140,000
1,000,000 shares
20 Feb 2026
Victoria Tou-Ho Lee
3/4/5
Chief Medical Officer
0.46%
$747,500
650,000 shares
23 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$347,110.

Buys
$347,110
Insiders: 1
Sells
$0
Insiders: 0
Net
+$347,110
Shares: +345,000
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 345,000 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 245,000 0 $245,270 $0 +$245,270
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 100,000 0 $101,840 $0 +$101,840

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-15 of 15 reporting-owner rows connected to Lucid Diagnostics Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
15
Largest Forms 3/4/5 holder
PAVmed Inc.
Net 12M change
+$347,110
Latest report
20 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
PAVmed Inc. 10%+ Owner $43,926,720 Mixed 15 Feb 2024
Aklog Lishan Chief Executive Officer, Director $4,145,754 Mixed 20 Feb 2026
Dennis M. Mcgrath Chief Financial Officer $2,067,468 Mixed 20 Feb 2026
Shaun O'Neil President and COO $1,649,309 Mixed 20 Feb 2026
Michael A. Gordon General Counsel and Secretary $1,140,000 Mixed 20 Feb 2026
Dennis Matheis Director $1,034,579 +$347,110 +50% Filing P/S 20 May 2026
Victoria Tou-Ho Lee Chief Medical Officer $747,500 Mixed 23 Mar 2026
James L. Cox Director $461,836 Mixed 20 Feb 2026
John R. Palumbo Director $385,320 Mixed 20 Feb 2026
Stanley Lapidus Director $384,626 Mixed 20 Feb 2026
Ronald M. Sparks Director $365,324 Mixed 20 Feb 2026
Jacque J. Sokolov Director $365,324 Mixed 20 Feb 2026
Debra White Director $268,812 Mixed 20 Feb 2026
Aster Angagaw Director Mixed 18 Feb 2022
David F. Wurtman Chief Medical Officer Mixed 13 Oct 2021

Recent insider transactions for Lucid Diagnostics Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Dennis Matheis LUCD Common Stock Purchase 31.1% $245,270 $1.00 245,000 1,033,443 20 May 2026 Direct
Lishan Aklog LUCD Common Stock Award 148% 2,170,000 3,636,627 20 Feb 2026 Direct
Dennis Matheis LUCD Common Stock Award 18.5% 123,000 788,443 20 Feb 2026 Direct
Debra White LUCD Common Stock Award 109% 123,000 235,800 20 Feb 2026 Direct
Ronald M. Sparks LUCD Common stock Award 62.3% 123,000 320,460 20 Feb 2026 Direct
Jacque J. Sokolov LUCD Common Stock Award 62.3% 123,000 320,460 20 Feb 2026 Direct
John R. Palumbo LUCD Common Stock Award 57.2% 123,000 338,000 20 Feb 2026 Direct
Stanley Lapidus LUCD Common Stock Award 57.4% 123,000 337,392 20 Feb 2026 Direct
James L. Cox LUCD Common Stock Award 43.6% 123,000 405,120 20 Feb 2026 Direct
Dennis M. Mcgrath LUCD Common stock Award 35% 470,000 1,813,569 20 Feb 2026 Direct
Shaun O'Neil LUCD Common stock Award 75% 620,000 1,446,763 20 Feb 2026 Direct
Michael A. Gordon LUCD Common stock Award 42.9% 300,000 1,000,000 20 Feb 2026 Direct
John R. Palumbo LUCD Employee stock option (right to buy) Award 215,000 215,000 06 Oct 2025 Direct
Dennis Matheis LUCD Common Stock Purchase 17.7% $101,840 $1.02 100,000 665,443 20 Aug 2025 Direct
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .