TMO

THERMO FISHER SCIENTIFIC INC.

THERMO FISHER SCIENTIFIC INC. (TMO) has 5 SEC Form 4 filings (81 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Mar 9, 2026.

The most active filer is Chairman & CEO CASPER MARC N with 7 filings. Insiders have net sold $57.2M over the trailing 6 months.

  • Industry:Medical - Diagnostics & Research
  • CEO:Marc N. Casper
  • Employees:125,000
  • HQ:Waltham, MA, US
  • IPO:1980-03-17

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$65.3M

reported sales (SEC code S)

Unique Insiders

2

in the rolling window

Market Cap

$202.6B

latest known value

Source
Sale$2.1MMar 9SEC ↗
CASPER MARC NFirst in 4 months
Sale$2.5MMar 5SEC ↗
CASPER MARC NFirst in 4 months
Sale$2.6MMar 5SEC ↗
Lagarde MichelFirst filing
Sale$17.5MDec 4SEC ↗
Lagarde MichelFirst filing
Sale$18.7MDec 4SEC ↗
Sale$9.8MOct 28SEC ↗
Sale$4.1MOct 28SEC ↗
CASPER MARC NFirst filing
Sale$4.5MAug 7SEC ↗
CASPER MARC NFirst filing
Sale$3.6MAug 7SEC ↗

Congress trading TMO

See timeline →
  • DRep. Dwight EvansSale$1,001 - $15,0002026-05-07

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Related companies

THERMO FISHER SCIENTIFIC INC. is in the Manufacturing sector.