SEC ownership of OneMedNet Corp

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001849380.

Comparable stake leader

TD SECURITIES (USA) LLC

Disclosed value leader

Thomas Kosasa

Comparable rows

28/44

Latest evidence

30 Jul 2026

Top shareholders Insider holders Latest transactions
Public ticker
ONMD, ONMDW on Nasdaq
Parsed ownership sources
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
TD SECURITIES (USA) LLC
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
28 of 44
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
TD SECURITIES (USA) LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 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
0001849380
Issuer location
Surrey, United Kingdom

Ownership snapshot

Top shareholders of OneMedNet Corp (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
TD SECURITIES (USA) LLC
Disclosed value leader
Thomas Kosasa
Comparable rows
28/44
Latest evidence
30 Jul 2026
13D/G 3/4/5 13F Lead comparable stake: 6.2% 16 rows are not safely comparable across share classes. 13D/G row: TD SECURITIES (USA) LLC Showing 1-8 of 44 holder rows.

Quick read

TD SECURITIES (USA) LLC leads the comparable SEC ownership view at 6.2%.

28 of 44 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 TD SECURITIES (USA) LLC's linked filing trail.
Comparable ownership Top 5
TD SECURITIES (USA) LLC 6.2%
Thomas Kosasa 38%
Aaron Green 3.9%
Robert Lawrence Golden 1.1%
Andrew B. Zeinfeld 0.78%

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

Detailed SEC evidence table Showing 1-8 of 44 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
TD SECURITIES (USA) LLC
13D/G
13D/G
6.2%
$3,297,618
3,025,338 shares
 +$60,209 30 Sep 2025
Thomas Kosasa
3/4/5
Director, 10%+ Owner
3/4/5
38%
$12,791,323
18,538,150 shares
 +$2,605,597 30 Jul 2026
Aaron Green
3/4/5
Chief Executive Officer, Director
3/4/5
3.9%
$1,087,191
1,896,375 shares
 -$166,917 23 Jun 2026
Robert Lawrence Golden
3/4/5
Chief Financial Officer, Director
3/4/5
1.1%
$1,205,391
547,905 shares
 — 07 Dec 2023
Andrew B. Zeinfeld
3/4/5
Director
3/4/5
0.78%
$839,355
381,525 shares
 — 14 Aug 2024
Jair Clarke
3/4/5
Director
3/4/5
0.28%
$304,667
138,485 shares
 — 01 Oct 2024
Eric Casaburi
3/4/5
Director
3/4/5
0.23%
$243,045
110,475 shares
 +$30,500 19 Jan 2024
Sherry Coonse McCraw
3/4/5
Director
3/4/5
0.12%
$123,952
56,342 shares
 — 01 Oct 2024
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: +$3,678,766.

Buys
$3,897,391
Insiders: 4
Sells
$218,625
Insiders: 1
Net
+$3,678,766
Shares: +4,894,874
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 5,021,196 Shares: 126,322
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 2,300,238 0 $1,601,708 $0 +$1,601,708
3-6 1,184,512 0 $999,999 $0 +$999,999
6-9 595,238 61,555 $500,000 $73,903 +$426,097
9-12 941,208 64,767 $795,684 $144,722 +$650,962

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-18 of 18 reporting-owner rows connected to OneMedNet Corp. Open a relationship link for the CIK-to-CIK filing trail.

Rows
18
Largest Forms 3/4/5 holder
Thomas Kosasa
Net 12M change
+$3,678,766
Latest report
30 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Thomas Kosasa Director, 10%+ Owner $12,791,323 +$2,605,597 +26% Filing P/S 30 Jul 2026
Jeffrey Yu Chief Medical Officer, Director, 10%+ Owner $6,647,141 +$1,209,586 +22% Mixed 23 Jun 2026
Shaolin Capital Management LLC 10%+ Owner $4,192,000 Filing P/S 12 Jan 2023
Robert Lawrence Golden Chief Financial Officer, Director $1,205,391 Mixed 07 Dec 2023
Aaron Green Chief Executive Officer, Director $1,087,191 -$166,917 -13% Filing P/S 23 Jun 2026
Andrew B. Zeinfeld Director $839,355 Mixed 14 Aug 2024
Jair Clarke Director $304,667 Mixed 01 Oct 2024
Eric Casaburi Director $243,045 +$30,500 +14% Mixed 19 Jan 2024
Sherry Coonse McCraw Director $123,952 Mixed 01 Oct 2024
Kenneth Alleyne Director $84,081 Mixed 26 Nov 2025
Owl Creek Asset Management, L.P. 10%+ Owner Mixed 11 Aug 2023
Annie Undikai Director Mixed 06 May 2021
Data Knights, LLC 10%+ Owner Mixed 06 May 2021
Barry James Anderson Chief Executive Officer, Director Mixed 06 May 2021
Syed Ahmed Director Mixed 06 May 2021
Julianne Huh Director Mixed 06 May 2021
Firdauz Mokhtar Chief Financial Officer Mixed 06 May 2021
Paul Casey Chief Executive Officer, Director Mixed 08 Nov 2023

Recent insider transactions for OneMedNet Corp

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
Thomas Kosasa ONMD Common Stock Purchase 8.48% $1,000,000 $0.6900 1,449,275 18,538,150 30 Jul 2026 Direct
Aaron Green ONMD Common Stock Purchase 1.97% $21,011 $0.5733 36,650 1,896,375 23 Jun 2026 Direct
Jeffrey Yu ONMD Common Stock Purchase 1.84% $100,000 $0.6300 158,730 8,780,410 23 Jun 2026 Direct
Jeffrey Yu ONMD Common Stock Purchase 2.04% $100,000 $0.5800 172,414 8,621,680 16 Jun 2026 Direct
Aaron Green ONMD Common Stock Purchase 1.02% $10,092 $0.5396 18,702 1,859,725 15 Jun 2026 Direct
Aaron Green ONMD Common Stock Purchase 2.05% $20,605 $0.5581 36,920 1,841,023 12 Jun 2026 Direct
Thomas Kosasa ONMD Common Stock Purchase 0.94% $100,000 $0.6300 158,730 17,088,874 12 Jun 2026 Direct
Thomas Kosasa ONMD Common Stock Purchase 1.61% $250,000 $0.9300 268,817 16,930,144 18 May 2026 Direct
Thomas Kosasa ONMD Common Stock Purchase 1.71% $249,999 $0.8900 280,898 16,661,327 23 Apr 2026 Direct
Jeffrey Yu ONMD Common Stock Award 2.67% 219,429 8,449,266 01 Apr 2026 Direct
Jeffrey Yu ONMD Common Stock Purchase 12.3% $750,000 $0.8300 903,614 8,229,837 01 Apr 2026 Direct
Thomas Kosasa ONMD Common Stock Purchase 3.77% $500,000 $0.8400 595,238 16,380,429 06 Feb 2026 Direct
Jeffrey Yu ONMD Common Stock Award 0.62% 45,000 7,326,223 26 Nov 2025 Direct
Robert Lawrence Golden ONMD Common Stock Award 8.95% 45,000 547,905 26 Nov 2025 Direct
Aaron Green ONMD Common Stock Award 2.39% 45,000 1,930,425 26 Nov 2025 Direct
Sherry Coonse McCraw ONMD Common Stock Award 396.8% 45,000 56,342 26 Nov 2025 Direct
Thomas Kosasa ONMD Common Stock Award 0.29% 45,000 15,785,191 26 Nov 2025 Direct
Jair Clarke ONMD Common Stock Award 48.1% 45,000 138,485 26 Nov 2025 Direct
Andrew B. Zeinfeld ONMD Common Stock Award 13.4% 45,000 381,525 26 Nov 2025 Direct
Eric Casaburi ONMD Common Stock Award 68.7% 45,000 110,475 26 Nov 2025 Direct
Kenneth Alleyne ONMD Common Stock Award 38,219 38,219 26 Nov 2025 Direct
Jeffrey Yu ONMD Common Stock Award 2.82% 200,000 7,281,223 24 Nov 2025 Direct
Robert Lawrence Golden ONMD Common Stock Award 196.6% 333,333 502,905 24 Nov 2025 Direct
Aaron Green ONMD Common Stock Award 112.9% 1,000,000 1,885,425 24 Nov 2025 Direct
Aaron Green ONMD Common Stock Sale -3.3% $73,903 $1.20 -61,555 1,804,103 18 Nov 2025 Direct
Aaron Green ONMD Common Stock Sale -3.36% $144,722 $2.23 -64,767 1,865,658 22 Oct 2025 Direct
Eric Casaburi ONMD Common Stock Purchase 18% $30,500 $3.05 10,000 65,475 15 Oct 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.02% $1,288 $1.03 1,250 7,081,223 25 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.24% $17,544 $1.02 17,200 7,079,973 24 Sep 2025 Direct
Thomas Kosasa ONMD Common Stock Purchase 0.04% $5,599 $0.9331 6,000 15,740,191 24 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.08% $5,301 $0.9300 5,700 7,062,773 23 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.01% $380 $0.9500 400 7,057,073 22 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.02% $1,112 $0.8900 1,250 7,056,673 19 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.01% $637 $0.9100 700 7,055,423 18 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.03% $1,806 $0.8600 2,100 7,054,723 05 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.17% $10,275 $0.8700 11,810 7,052,623 04 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.17% $9,453 $0.8100 11,670 7,040,813 03 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.35% $20,671 $0.8500 24,319 7,029,143 02 Sep 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.16% $8,930 $0.8200 10,890 7,004,824 29 Aug 2025 Direct
Thomas Kosasa ONMD Common Stock Purchase 3.84% $500,000 $0.8600 581,395 15,734,191 29 Aug 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.24% $13,600 $0.8000 17,000 6,993,934 28 Aug 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.31% $14,748 $0.6900 21,374 6,976,934 27 Aug 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 2.56% $119,612 $0.6900 173,350 6,955,560 26 Aug 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.2% $9,975 $0.7500 13,300 6,782,210 25 Aug 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.22% $11,550 $0.7700 15,000 6,768,910 21 Aug 2025 Direct
Jeffrey Yu ONMD Common Stock Purchase 0.24% $12,705 $0.7700 16,500 6,753,910 19 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 .