By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Over 12 months, TransMedics Group, Inc. saw more selling than buying from its insiders — purchases of about $1.1 million against sales of $4.9 million.
Hassanein Waleed H (CEO) made the biggest buy, worth around $1 million. Notably, at least one C-suite executive was among the buyers.
On the institutional side, 374 funds reported holding TMDX at the end of Q2 2026, and funds were split between buying and selling. Quarter by quarter: Last full quarter: net buying by insiders. Insiders bought in 3 of the last 7 full quarters.
Are insiders buying or selling TMDX stock?
In the last 12 months TransMedics Group, Inc. insiders made open-market purchases worth about $1.1 million and sales worth about $4.9 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in TMDX?
The most recent open-market insider trade in TMDX was filed on 2026-09-14.
How many institutions own TMDX?
374 investment managers reported holding TMDX in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded TMDX?
No congressional trades in TMDX were reported in the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).