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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 $169.4B 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
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
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
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 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 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 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 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 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 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)5:26 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
Jul 28, 2026 (view filing)4:24 PM ETJul 271 dayPettiti GianlucaPresident & COOSSale−400$565.00−$226.0K−1.6%24.7K after10b5-1
Apr 29, 2026 (view filing)Apr 272 daysPettiti GianlucaPresident & COOSSale−400$462.66−$185.1K−1.6%25.1K after10b5-1
Mar 12, 2026 (view filing)Mar 111 dayShafer Michael DExecutive Vice PresidentSSale−1.61K$499.40−$802.5K−7.1%20.9K after10b5-1
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 5, 2026 (view filing)Mar 3-42 daysCasper Marc NChairman & CEOSSale−10.0K$507.75−$5.08M−7.5%123.9K after20 lots10b5-1
Feb 11, 2026 (view filing)Feb 92 daysPettiti GianlucaExecutive Vice PresidentSSale−400$541.20−$216.5K−1.9%20.8K after10b5-1
Dec 5, 2025 (view filing)Dec 41 dayLagarde MichelExecutive Vice President & COOSSale−22.0K$563.56−$12.4M−20.8%84.1K after
Dec 4, 2025 (view filing)Dec 2-32 daysLagarde MichelExecutive Vice President & COOSSale−62.0K$582.68−$36.1M−48.6%65.5K after3 lots
Dec 3, 2025 (view filing)Dec 1-22 daysLowery Frederick M.Executive Vice PresidentSSale−13.8K$589.81−$8.15M−49.0%14.4K after2 lots10b5-1
Nov 26, 2025 (view filing)Nov 251 dayShafer Michael DExecutive Vice PresidentSSale−10.7K$600.00−$6.43M−36.4%18.7K after2 lots10b5-1
Nov 14, 2025 (view filing)Nov 122 daysBritt Lisa P.Sr. VP and Chief HR OfficerSSale−1.06K$588.27−$622.1K−7.5%13.1K after
Nov 14, 2025 (view filing)Nov 131 dayLagarde MichelExecutive Vice President & COOSSale−4.64K$594.42−$2.76M−16.5%23.5K after
Nov 12, 2025 (view filing)Nov 102 daysPettiti GianlucaExecutive Vice PresidentSSale−2.98K$580.00−$1.73M−12.3%21.2K after2 lots10b5-1
Nov 10, 2025 (view filing)Nov 73 daysBritt Lisa P.Sr. VP and Chief HR OfficerSSale−10.2K$571.62−$5.84M−42.0%14.1K after2 lots
Oct 28, 2025 (view filing)Oct 244 daysPettiti GianlucaExecutive Vice PresidentSSale−400$574.15−$229.7K−1.9%21.2K after10b5-1
Oct 28, 2025 (view filing)Oct 24-274 daysCasper Marc NChairman & CEOSSale−24.4K$571.33−$13.9M−17.6%113.8K after16 lots10b5-1
Sep 9, 2025 (view filing)Sep 54 daysCasper Marc NChairman & CEOSSale−400$500.50−$200.2K−0.4%113.8K after3 lots10b5-1
Sep 2, 2025 (view filing)Aug 294 daysHolmes Joseph R.VP & Chief Accounting OfficerSSale−385$492.63−$189.7K−14.2%2.32K after2 lots
Aug 26, 2025 (view filing)Aug 224 daysCasper Marc NChairman & CEOSSale−10.0K$500.96−$5.01M−8.0%115.2K after3 lots10b5-1
Aug 21, 2025 (view filing)Aug 19-202 daysCasper Marc NChairman & CEOSSale−496$500.09−$248.0K−0.4%115.2K after3 lots10b5-1
Aug 7, 2025 (view filing)Aug 6-71 dayCasper Marc NChairman & CEOSSale−18.0K$452.99−$8.15M−13.5%115.2K after20 lots10b5-1
Jul 28, 2025 (view filing)Jul 253 daysPettiti GianlucaExecutive Vice PresidentSSale−400$479.98−$192.0K−1.8%22.4K after10b5-1
May 13, 2025 (view filing)May 121 dayPettiti GianlucaExecutive Vice PresidentSSale−400$411.11−$164.4K−1.7%22.8K after10b5-1
Apr 30, 2025 (view filing)Apr 282 daysPettiti GianlucaExecutive Vice PresidentSSale−300$429.93−$129.0K−1.3%23.2K after10b5-1
Mar 11, 2025 (view filing)Mar 101 dayBoxer Michael ASVP and General CounselSSale−3.78K$532.53−$2.01M−25.9%10.8K after
Mar 6, 2025 (view filing)Mar 4-52 daysCasper Marc NChairman & CEOSSale−18.0K$518.16−$9.33M−13.5%115.2K after17 lots10b5-1
Mar 4, 2025 (view filing)Mar 31 dayShafer Michael DExecutive Vice PresidentSSale−1.78K$530.92−$945.0K−8.5%19.3K after10b5-1
Feb 26, 2025 (view filing)Feb 242 daysLowery Frederick M.Executive Vice PresidentSSale−18.3K$531.81−$9.73M−51.9%17.0K after10b5-1
Feb 21, 2025 (view filing)Nov 7-Dec 9, 2024106 daysLateChai NelsonDirectorPPurchase+20$551.90+$11.0K+0.1%14.3K after2 lots
Feb 21, 2025 (view filing)Feb 192 daysChai NelsonDirectorSSale−16$528.09−$8.45K−0.1%14.3K after
Feb 5, 2025 (view filing)Feb 41 dayPettiti GianlucaExecutive Vice PresidentSSale−300$585.59−$175.7K−1.8%16.4K after10b5-1
Feb 5, 2025 (view filing)Feb 3-42 daysWilliamson StephenSr. VP and CFOSSale−19.6K$589.36−$11.6M−41.9%27.3K after2 lots10b5-1
Dec 4, 2024 (view filing)Dec 2-32 daysCasper Marc NChairman & CEOSSale−20.0K$531.23−$10.6M−16.5%101.2K after14 lots10b5-1
Nov 12, 2024 (view filing)Nov 84 daysCasper Marc NChairman & CEOSSale−9.00K$552.86−$4.98M−38.1%14.6K after5 lots10b5-1
Nov 8, 2024 (view filing)Nov 6-72 daysCasper Marc NChairman & CEOSSale−20.0K$557.94−$11.2M−45.9%23.6K after17 lots10b5-1
Nov 4, 2024 (view filing)Nov 13 daysCasper Marc NChairman & CEOSSale−5.85K$557.89−$3.26M−4.6%121.2K after9 lots10b5-1
Nov 1, 2024 (view filing)Oct 30-312 daysCasper Marc NChairman & CEOSSale−20.0K$550.51−$11.0M−14.2%121.2K after12 lots10b5-1