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Thermo Fisher Scientific Inc.

TMO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000097745

In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,627 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Thermo Fisher Scientific Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
11 filings
5 insiders, $61.6M in total
Insiders trading
5
Net value
−$61.6M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Thermo Fisher Scientific Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Thermo Fisher Scientific Inc.
NameTitleLast reported holdingLast filingFilings, past year
Casper Marc NChairman & CEO122,669Sep 1, 202611
Meyer JamesSr. Vice President & CFO5,560Sep 1, 20262
Shropshire Thomas B Jr.SVP and General Counsel6,009Sep 1, 20263
Shafer Michael DExecutive Vice President20,204Sep 1, 20266
Holmes Joseph R.VP & Chief Accounting Officer2,916Sep 1, 20264
Pettiti GianlucaPresident & COO23,216Sep 1, 20268
Britt Lisa P.Sr. VP and Chief HR Officer14,391Sep 1, 20267
Johnson Jennifer MDirector1,403Jun 30, 20265
Sperling Scott MDirector69,479Jun 30, 20266
Lynch Karen SDirector1,159Jun 30, 20265
Weisler Dion JDirector5,446Jun 30, 20265
Keith R. AlexandraDirector2,602Jun 30, 20265
Harris C MartinDirector9,532May 22, 20261
Chai NelsonDirector15,316May 22, 20261
Chandy Ruby RDirector3,463May 22, 20261
Jacks TylerDirector9,462May 22, 20261
Spar Debora LDirector2,610May 22, 20261
Lagarde MichelExecutive Vice President85,151Mar 2, 20265
Williamson StephenRetiring Sr. VP and CFO32,499Mar 2, 20263
Lowery Frederick M.Executive Vice President15,044Mar 2, 20263
Mullen James CDirector3,393May 22, 20250
Boxer Michael ASVP and General Counsel10,816Mar 11, 20250
Sorensen Lars RebienDirector9,233May 23, 20240
Manzi Jim PDirector14,807Feb 7, 20230
Stevenson MarkRetiring Executive VP & COO62,141Mar 1, 20220
Lynch Thomas JDirector10,257Nov 8, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 9, 2026 (view filing)Mar 54 daysCasper Marc NChairman & CEOSSale−4.00K$514.82−$2.06M−3.1%123.9K after13 lots10b5-1
Mar 12, 2026 (view filing)Mar 111 dayShafer Michael DExecutive Vice PresidentSSale−1.61K$499.40−$802.5K−7.1%20.9K after10b5-1
Apr 29, 2026 (view filing)Apr 272 daysPettiti GianlucaPresident & COOSSale−400$462.66−$185.1K−1.6%25.1K after10b5-1
Jul 28, 2026 (view filing)4:24 PM ETJul 271 dayPettiti GianlucaPresident & COOSSale−400$565.00−$226.0K−1.6%24.7K after10b5-1
Aug 7, 2026 (view filing)5:26 PM ETAug 52 daysCasper Marc NChairman & CEOSSale−10.0K$575.23−$5.75M−7.5%123.9K after11 lots10b5-1
Aug 7, 2026 (view filing)5:26 PM ETAug 52 daysCasper Marc NChairman & CEOSSale−5.00K$575.23−$2.88M−34.2%9.61K after11 lots10b5-1
Aug 7, 2026 (view filing)5:26 PM ETAug 61 dayCasper Marc NChairman & CEOSSale−10.0K$574.47−$5.74M−7.5%123.9K after9 lots10b5-1
Aug 7, 2026 (view filing)5:26 PM ETAug 61 dayCasper Marc NChairman & CEOSSale−5.00K$574.45−$2.87M−52.0%4.61K after9 lots10b5-1
Aug 7, 2026 (view filing)5:32 PM ETAug 61 dayBritt Lisa P.Sr. VP and Chief HR OfficerSSale−5.85K$580.00−$3.39M−28.4%14.8K after
Aug 10, 2026 (view filing)4:09 PM ETAug 73 daysCasper Marc NChairman & CEOSSale−275$586.10−$161.2K−0.2%123.9K after15 lots10b5-1
Aug 10, 2026 (view filing)4:09 PM ETAug 73 daysCasper Marc NChairman & CEOSSale−4.61K$586.12−$2.70M−100.0%0 after12 lots10b5-1
Aug 10, 2026 (view filing)4:09 PM ETAug 73 daysHolmes Joseph R.VP & Chief Accounting OfficerSSale−420$584.81−$245.6K−12.4%2.97K after
Aug 13, 2026 (view filing)4:01 PM ETAug 112 daysShafer Michael DExecutive Vice PresidentSSale−25.5K$600.00−$15.3M−54.8%21.0K after2 lots10b5-1
Aug 20, 2026 (view filing)4:02 PM ETAug 191 dayBritt Lisa P.Sr. VP and Chief HR OfficerSSale−11.4K$613.12−$7.01M−43.6%14.8K after
Aug 24, 2026 (view filing)4:02 PM ETAug 20-214 daysCasper Marc NChairman & CEOSSale−20.0K$628.09−$12.6M−13.9%123.9K after14 lots10b5-1
Aug 26, 2026 (view filing)4:01 PM ETAug 242 daysCasper Marc NChairman & CEOSSale−275$627.05−$172.4K−0.2%123.9K after4 lots10b5-1
Sep 1, 2026 (view filing)4:10 PM ETAug 311 dayPettiti GianlucaPresident & COOSSale−4.13K$614.38−$2.54M−15.1%23.2K after2 lots10b5-1