SEC ownership of OneMedNet Corp

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

Holder evidence

44

Lead holder

TD SECURITIES (USA) LLC

13D/G signal

TD SECURITIES (USA) LLC

Latest evidence

18 May 2026

Issuer identity
CIK
0001849380
Location
Surrey, United Kingdom
Ownership snapshot
Latest large-stake holder
TD SECURITIES (USA) LLC
Latest evidence date
18 May 2026

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.

Lead holder
TD SECURITIES (USA) LLC
13D/G signal
TD SECURITIES (USA) LLC
Evidence rows
44
Latest as of
18 May 2026
13D/G 3/4/5 13F Lead comparable stake: 6.2% 13D/G row: TD SECURITIES (USA) LLC Showing 1-8 of 44 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
TD SECURITIES (USA) LLC
13D/G
6.2%
$3,297,618
3,025,338 shares
+$60,209 30 Sep 2025
Thomas Kosasa
3/4/5
Director, 10%+ Owner
35%
$15,745,033
16,930,144 shares
+$2,026,613 18 May 2026
Aaron Green
3/4/5
Chief Executive Officer, Director
3.7%
$2,166,006
1,804,103 shares
-$218,625 22 Oct 2025
Robert Lawrence Golden
3/4/5
Chief Financial Officer, Director
1.1%
$1,205,391
547,905 shares
07 Dec 2023
Andrew B. Zeinfeld
3/4/5
Director
0.78%
$839,355
381,525 shares
14 Aug 2024
Jair Clarke
3/4/5
Director
0.28%
$304,667
138,485 shares
01 Oct 2024
Eric Casaburi
3/4/5
Director
0.23%
$243,045
110,475 shares
+$30,500 19 Jan 2024
Sherry Coonse McCraw
3/4/5
Director
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: +$3,548,073.

Buys
$3,766,698
Insiders: 3
Sells
$218,625
Insiders: 1
Net
+$3,548,073
Shares: +5,775,595
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 5,901,917 Shares: 126,322
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 1,453,329 0 $1,249,999 $0 +$1,249,999
3-6 595,238 0 $500,000 $0 +$500,000
6-9 92,399 126,322 $104,565 $218,625 -$114,060
9-12 3,760,951 0 $1,912,134 $0 +$1,912,134

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
Lead holder
Jeffrey Yu
Net 12M change
+$3,548,073
Latest report
18 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Jeffrey Yu Chief Medical Officer, Director, 10%+ Owner $19,004,202 +$1,709,585 +9.9% Mixed 01 Apr 2026
Thomas Kosasa Director, 10%+ Owner $15,745,033 +$2,026,613 +15% Filing P/S 18 May 2026
Shaolin Capital Management LLC 10%+ Owner $4,192,000 Filing P/S 12 Jan 2023
Aaron Green Chief Executive Officer, Director $2,166,006 -$218,625 -9.2% Filing P/S 22 Oct 2025
Robert Lawrence Golden Chief Financial Officer, Director $1,205,391 Mixed 07 Dec 2023
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
Data Knights, LLC 10%+ Owner Mixed 06 May 2021
Barry James Anderson Chief Executive Officer, Director Mixed 06 May 2021
Annie Undikai Director Mixed 06 May 2021
Julianne Huh Director Mixed 06 May 2021
Syed Ahmed Director Mixed 06 May 2021
Firdauz Mokhtar Chief Financial Officer Mixed 06 May 2021
Owl Creek Asset Management, L.P. 10%+ Owner Mixed 11 Aug 2023
Paul Casey Chief Executive Officer, Director Mixed 08 Nov 2023

Recent insider transactions for OneMedNet Corp

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

Insider Symbol Class Transaction % Reported value Reported price Shares Shares owned Date Ownership
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
Jeffrey Yu ONMD Common Stock Purchase 32.9% $700,000 $0.4200 1,666,666 6,737,410 20 Jun 2025 Direct
Thomas Kosasa ONMD Common Stock Purchase 8.53% $500,000 $0.4200 1,190,476 15,152,796 20 Jun 2025 Direct
Jeffrey Yu ONMD Common Stock Conversion of derivative security 56.4% 1,828,279 5,070,744 19 Jun 2025 Direct
Thomas Kosasa ONMD Common Stock Conversion of derivative security 55.6% 4,988,440 13,962,320 19 Jun 2025 Direct
Jeffrey Yu ONMD Common Stock Conversion of derivative security 17.3% 479,270 3,242,465 17 Jun 2025 Direct
Jeffrey Yu ONMD Senior Secured Convertible Note Conversion of derivative security -100% -479,270 0 17 Jun 2025 Direct
Aaron Green ONMD Common Stock Conversion of derivative security 37.3% 240,425 885,425 17 Jun 2025 Direct
Aaron Green ONMD Senior Secured Convertible Note Conversion of derivative security -100% -240,425 0 17 Jun 2025 Direct
Thomas Kosasa ONMD Common Stock Conversion of derivative security 5.81% 493,056 8,973,880 17 Jun 2025 Direct
Thomas Kosasa ONMD Senior Secured Convertible Note Conversion of derivative security -100% -493,056 0 17 Jun 2025 Direct
Thomas Kosasa ONMD Common Stock Purchase 0.65% $21,016 $0.3821 55,000 8,480,824 16 Jun 2025 Direct
* indicates a reported price that failed the local validity check.
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