Thomas Kosasa - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Thomas Kosasa has filed 2 SEC Form 4 filings across 1 company in the last 90 days - buying. Lifetime open-market purchases: $2.15M. Historical track record: 3/5 stars across 7 tracked purchases.
Profile
Thomas Kosasa serves as Director of OneMedNet Corp (ONMD). Kosasa has reported 6 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | Director, 10% Owner |
|---|---|
| Notability | 36/100 |
Board memberships
- OneMedNet Corp
Reported roles
- Director
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 57% |
| 90-day win rate | 86% |
| Avg 5-day return | +7.68% |
| Avg 30-day return | +33.45% |
| Avg 90-day return | +62.68% |
| Best 30-day return | +135.00% |
Trading Pattern
InsiderAlpha's records for Thomas Kosasa go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $239K (9 buys totaling $2.15M). The largest single buy on record is $500K of ONMD in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Thomas Kosasa has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director, 10% Owner at OneMedNet Corp (ONMD) - 3 filings, 2026
- Director at OneMedNet Corp (ONMD) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-15 | ONMD | OneMedNet Corp | P - Open-market purchase | 158.7K | $0.63 | $100K |
| 2026-05-20 | ONMD | OneMedNet Corp | P - Open-market purchase | 268.8K | $0.93 | $250K |
| 2026-04-24 | ONMD | OneMedNet Corp | P - Open-market purchase | 280.9K | $0.89 | $250K |
| 2026-04-24 | ONMD | OneMedNet Corp | P - Open-market purchase | 595.2K | $0.84 | $500K |
| 2025-11-26 | ONMD | OneMedNet Corp | A - Grant or award | 45.0K | $0.00 | |
| 2025-11-26 | ONMD | OneMedNet Corp | P - Open-market purchase | 6.0K | $0.93 | $6K |
| 2025-11-26 | ONMD | OneMedNet Corp | P - Open-market purchase | 581.4K | $0.86 | $500K |
| 2025-11-26 | ONMD | OneMedNet Corp | P - Open-market purchase | 1.19M | $0.42 | $500K |
| 2025-11-26 | ONMD | OneMedNet Corp | J - Other acquisition / disposition | 2.87M | $0.71 | $2.03M |
| 2025-11-26 | ONMD | OneMedNet Corp | J - Other acquisition / disposition | 2.12M | $0.75 | $1.60M |
| 2025-11-26 | ONMD | OneMedNet Corp | J - Other acquisition / disposition | 493.1K | $1.14 | $562K |
| 2025-11-26 | ONMD | OneMedNet Corp | P - Open-market purchase | 55.0K | $0.38 | $21K |
| 2025-11-26 | ONMD | OneMedNet Corp | P - Open-market purchase | 47.0K | $0.49 | $23K |
| 2025-11-26 | ONMD | OneMedNet Corp | A - Grant or award | 45.0K | $0.00 |
Companies - Last 90 Days
- OneMedNet Corp (ONMD) - 2 filings, last 2026-06-15
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Thomas Kosasa has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Jeffrey Yu - $1.93M of ONMD open-market activity in the last 12 months
- Aaron Green - $270K of ONMD open-market activity in the last 12 months
- Eric Casaburi - $39K of ONMD open-market activity in the last 12 months
- Robert Lawrence Golden - $513 of ONMD open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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- Uber Technologies, Inc
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Frequently Asked Questions
Who is Thomas Kosasa?
Thomas Kosasa serves as Director of OneMedNet Corp (ONMD). Kosasa has reported 6 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Thomas Kosasa submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Thomas Kosasa been buying or selling stock?
Recorded transactions: 9 open-market purchases ($2.15M) and 0 open-market sales across all tracked filings.
How accurate is Thomas Kosasa's historical track record?
Across 7 tracked purchases, Thomas Kosasa averaged +33.4% avg 30-day return with a 57% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
Where can I see all of Thomas Kosasa's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
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