SEC ownership of Palomino Laboratories Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001938569.

Comparable stake leader

Jeffrey B. Shealy

Disclosed value leader

Exor N.V.

Comparable rows

4/11

Latest evidence

31 Jul 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
4 of 11
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Jeffrey B. Shealy
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
31 Jul 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001938569
Issuer location
Goleta, CA

Ownership snapshot

Top shareholders of Palomino Laboratories 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
Jeffrey B. Shealy
Disclosed value leader
Exor N.V.
Comparable rows
4/11
Latest evidence
31 Jul 2026
3/4/5 13D/G 13F Lead comparable stake: 24% 7 rows are not safely comparable across share classes. 13D/G row: Jeffrey B. Shealy Showing 1-8 of 11 holder rows.

Quick read

Jeffrey B. Shealy leads the comparable SEC ownership view at 24%.

4 of 11 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 Jeffrey B. Shealy's linked filing trail.
Comparable ownership Top 4
Jeffrey B. Shealy 24%
Lucius Partners LLC 23%
Steven DenBaars 9.4%
Richard Ogawa 6.9%

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

Detailed SEC evidence table Showing 1-8 of 11 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Jeffrey B. Shealy
3/4/5 13D/G
President and CEO, Director, 10%+ Owner · Shealy Jeffrey B.
24%
Reported 13D/G · 29 Sep 2025
$28,279,996
9,333,332 shares
mixed-class rows
— 29 Sep 2025
Lucius Partners LLC
3/4/5 13D/G
10%+ Owner
23%
Reported 13D/G · 29 Sep 2025
—
4,000,000 shares
— 29 Sep 2025
Steven DenBaars
3/4/5 13D/G
Director
9.4%
Reported 13D/G · 29 Sep 2025
$8,715,750
1,887,500 shares
mixed-class rows
— 20 Apr 2026
Richard Ogawa
13D/G 3/4/5
Secretary, Director
6.9%
Reported 13D/G · 31 Jul 2026
$23,060,625
1,882,500 shares
+$1,623,125 31 Jul 2026
Exor N.V.
13F
Company
13F
—
denominator unverified
$5,055,509,678
185,932,684 shares
— 30 Jun 2026
ORBIMED ADVISORS LLC
13F
Company
13F
—
denominator unverified
$30,275,391
5,680,186 shares
— 30 Jun 2026
GAGNON SECURITIES LLC
13F
Company
13F
—
denominator unverified
$11,697,619
765,179 shares
— 30 Jun 2026
Gagnon Advisors, LLC
13F
Company
13F
—
denominator unverified
$6,119,731
328,488 shares
— 30 Jun 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

No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 21 Oct 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-6 of 6 reporting-owner rows connected to Palomino Laboratories Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
6
Largest Forms 3/4/5 holder
Jeffrey B. Shealy
Net 12M change
$0
Latest report
31 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Jeffrey B. Shealy President and CEO, Director, 10%+ Owner $28,279,996 Mixed 29 Sep 2025
Steven DenBaars Director $8,715,750 Mixed 20 Apr 2026
Richard Ogawa Secretary, Director $8,715,750 Mixed 31 Jul 2026
Jason Tu Chief Accounting Officer $657,505 Mixed 29 Sep 2025
Lucius Partners LLC 10%+ Owner Mixed 29 Sep 2025
Nathan P. Pereira President, CEO, CFO, Director Mixed 09 Oct 2023

Recent insider transactions for Palomino Laboratories 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
Richard Ogawa PALX Common Stock Other 6.81% 120,000 1,882,500 31 Jul 2026 Direct
Richard Ogawa Common Stock Purchase 0.71% 12,500 1,762,500 20 Apr 2026 Direct
Steven Denbaars Common Stock Purchase 0.71% 12,500 1,762,500 20 Apr 2026 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 .