By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Insider activity at Thermo Fisher Scientific Inc. has been all selling for a year now: about $158.1 million from seven sellers, and zero buyers at market prices.
That's worth context: executives sell for plenty of routine reasons, from scheduled trading plans to tax bills. Buying is the rarer, more telling signal.
Quarter by quarter: 7 quarters in a row of net selling by insiders. Insiders bought in 0 of the last 7 full quarters. Members of Congress reported 36 trades in TMO over the past two years (17 members). On the institutional side, 2,614 funds reported holding TMO at the end of Q2 2026, and funds were split between buying and selling.
Are insiders buying or selling TMO stock?
In the last 12 months Thermo Fisher Scientific Inc. insiders made open-market purchases worth about $0 and sales worth about $158.1 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in TMO?
The most recent open-market insider trade in TMO was filed on 2026-09-01.
How many institutions own TMO?
2,614 investment managers reported holding TMO in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded TMO?
Yes. Members of Congress reported 36 trades in TMO over 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).