TMO insider trading

NYSE Healthcare

THERMO FISHER SCIENTIFIC INC. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
2,325
Last 90 days
86
Buys / sells
0% / 46%
Market cap
$194.77B

About THERMO FISHER SCIENTIFIC INC.

Thermo Fisher Scientific Inc. provides life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and biopharma services in the North America, Europe, Asia-Pacific, and internationally. The company's Life Sciences Solutions segment offers reagents, instruments, and consumables for biological and medical research, discovery and production of drugs and vaccines, as well as diagnosis of infections and diseases. Its Analytical Instruments segment provides instruments, consumables, software, and services for pharmaceutical, biotechnology, academic, government, environmental, and other research and industrial markets, as well as clinical laboratories. The company's Specialty Diagnostics segment includes clinical diagnostics offering liquid, ready-to-use, and lyophilized immunodiagnostic reagent kits, as well as calibrators, controls, protein detection assays, and instruments; immunodiagnostics offers develops, manufactures, and markets complete blood test systems to support the clinical diagnosis and monitoring of allergy, asthma, and autoimmune diseases; microbiology offers dehydrated and prepared culture media, collection and transport systems, instrumentation, and consumables; transplant diagnostics products include human leukocyte antigen typing and testing for organ transplant market; and healthcare market channel offers consumables, diagnostic kits and reagents, equipment, instruments, solutions, and services. Its Laboratory Products and Biopharma Services segment provides laboratory products, research and safety market channel, and pharma services and clinical research. It offers products and services through a direct sales force, customer-service professionals, electronic commerce, and third-party distributors under Thermo Scientific; Applied Biosystems; Invitrogen; Fisher Scientific; Unity Lab Services; and Patheon and PPD. Thermo Fisher Scientific Inc. was founded in 1956 and is headquartered in Waltham, Massachusetts.

Company website: www.thermofisher.com

TMO insider activity at a glance

FilingIQ has scored 2,325 insider transactions for TMO since Feb 20, 2015. The most recent filing in our index is dated Apr 27, 2026.

Across the full history, 4 open-market purchases and 1,068 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on TMO insider trades is 62.2/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest TMO Form 4 filings

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for TMO?
FilingIQ tracks 2,325 Form 4 insider transactions for TMO (THERMO FISHER SCIENTIFIC INC.), covering filings from Feb 20, 2015 onwards. 86 of those were filed in the last 90 days.
Are TMO insiders net buyers or net sellers?
Across the full Form 4 history for TMO, 4 transactions (0%) were open-market purchases and 1,068 (46%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does TMO insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is TMO in?
THERMO FISHER SCIENTIFIC INC. (TMO) is classified in the Healthcare sector, specifically Diagnostics & Research, with a current market capitalisation of $194.77B.

Methodology & sources

Every TMO insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.