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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; 2,628 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
Weisler Dion JDirector5,446Sep 29, 20265
Sperling Scott MDirector69,479Sep 29, 20266
Lynch Karen SDirector1,159Sep 29, 20265
Keith R. AlexandraDirector2,602Sep 29, 20265
Johnson Jennifer MDirector1,403Sep 29, 20265
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
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
Oct 30, 2024 (view filing)Oct 28-292 daysCasper Marc NChairman & CEOSSale−20.0K$552.46−$11.0M−14.2%121.2K after13 lots10b5-1
Oct 29, 2024 (view filing)Oct 254 daysBoxer Michael ASVP and General CounselSSale−2.00K$560.16−$1.12M−13.6%12.7K after10b5-1
Oct 29, 2024 (view filing)Oct 254 daysPettiti GianlucaExecutive Vice PresidentSSale−300$560.16−$168.0K−1.8%16.7K after10b5-1
Sep 5, 2024 (view filing)Sep 3-42 daysCasper Marc NChairman & CEOSSale−20.0K$608.45−$12.2M−14.2%121.2K after19 lots10b5-1
Aug 1, 2024 (view filing)Jul 311 dayCasper Marc NChairman & CEOSSale−10.0K$617.21−$6.17M−7.5%123.8K after8 lots10b5-1
Jul 31, 2024 (view filing)Jul 29-302 daysCasper Marc NChairman & CEOSSale−16.3K$606.12−$9.88M−11.6%123.8K after20 lots10b5-1
Jul 29, 2024 (view filing)Jul 263 daysPettiti GianlucaExecutive Vice PresidentSSale−300$600.85−$180.3K−1.6%17.9K after10b5-1
Jul 29, 2024 (view filing)Jul 263 daysHolmes Joseph R.VP & Chief Accounting OfficerSSale−860$611.03−$525.5K−32.2%1.81K after2 lots
Jul 29, 2024 (view filing)Jul 263 daysBritt Lisa P.Sr. VP and Chief HR OfficerSSale−3.62K$613.02−$2.22M−20.9%13.7K after2 lots
Jul 29, 2024 (view filing)Jul 263 daysBoxer Michael ASVP and General CounselSSale−2.00K$600.85−$1.20M−13.3%13.1K after10b5-1
Jun 5, 2024 (view filing)Jun 3-42 daysCasper Marc NChairman & CEOSSale−20.0K$568.72−$11.4M−13.9%123.8K after14 lots10b5-1
May 15, 2024 (view filing)May 141 dayLagarde MichelExecutive Vice President & COOSSale−20.0K$590.05−$11.8M−52.4%18.1K after
May 15, 2024 (view filing)May 132 daysWilliamson StephenSr. VP and CFOSSale−21.9K$591.27−$13.0M−37.5%36.5K after10b5-1
May 2, 2024 (view filing)May 11 dayCasper Marc NChairman & CEOSSale−10.0K$573.74−$5.74M−7.5%123.8K after10 lots10b5-1
May 1, 2024 (view filing)Apr 29-302 daysCasper Marc NChairman & CEOSSale−20.0K$574.18−$11.5M−13.9%123.8K after15 lots10b5-1
Apr 29, 2024 (view filing)Apr 263 daysBoxer Michael ASVP and General CounselSSale−2.00K$567.94−$1.14M−13.3%13.1K after10b5-1
Mar 14, 2024 (view filing)Mar 131 dayCasper Marc NChairman & CEOSSale−10.0K$594.58−$5.95M−7.5%123.8K after7 lots10b5-1
Mar 13, 2024 (view filing)Mar 11-122 daysCasper Marc NChairman & CEOSSale−20.0K$596.67−$11.9M−13.9%123.8K after15 lots10b5-1
Mar 13, 2024 (view filing)Mar 121 dayBritt Lisa P.Sr. VP and Chief HR OfficerSSale−14.3K$598.90−$8.59M−45.3%17.3K after2 lots10b5-1
Mar 4, 2024 (view filing)Feb 294 daysCasper Marc NChairman & CEOSSale−10.0K$571.08−$5.71M−7.4%125.8K after5 lots10b5-1
Feb 29, 2024 (view filing)Feb 27-282 daysCasper Marc NChairman & CEOSSale−20.0K$567.45−$11.3M−13.5%128.5K after13 lots10b5-1
Feb 20, 2024 (view filing)Feb 155 daysCasper Marc NChairman & CEOSSale−5.55K$550.62−$3.05M−11.3%43.6K after3 lots10b5-1
Feb 14, 2024 (view filing)Feb 122 daysSpar Debora LDirectorSSale−164$546.97−$89.7K−12.0%1.21K after
Feb 8, 2024 (view filing)Feb 71 dayBoxer Michael ASVP and General CounselSSale−14.6K$562.00−$8.19M−53.0%12.9K after10b5-1
Feb 8, 2024 (view filing)Feb 71 dayCasper Marc NChairman & CEOSSale−10.0K$555.63−$5.56M−16.9%49.2K after8 lots10b5-1
Nov 8, 2023 (view filing)Nov 6-72 daysCasper Marc NChairman & CEOSSale−11.6K$455.21−$5.28M−8.1%131.2K after11 lots10b5-1
Nov 6, 2023 (view filing)Nov 2-34 daysCasper Marc NChairman & CEOSSale−20.0K$450.82−$9.02M−13.2%131.2K after12 lots10b5-1
Oct 6, 2023 (view filing)Jun 26102 daysLateBoxer Michael ASVP and General CounselPPurchase+4$526.15+$2.10K0.0%13.1K after
Aug 31, 2023 (view filing)Aug 301 dayPettiti GianlucaExecutive Vice PresidentSSale−3.00K$557.77−$1.67M−14.6%17.6K after
Aug 9, 2023 (view filing)Aug 7-82 daysCasper Marc NChairman & CEOSSale−11.6K$551.75−$6.40M−7.9%135.3K after15 lots10b5-1
Aug 7, 2023 (view filing)Aug 3-44 daysCasper Marc NChairman & CEOSSale−20.0K$549.67−$11.0M−12.9%135.3K after14 lots10b5-1
Aug 2, 2023 (view filing)Jul 31-Aug 12 daysWilliamson StephenSr. VP and CFOSSale−29.1K$553.82−$16.1M−51.5%27.4K after2 lots10b5-1
May 10, 2023 (view filing)May 8-92 daysCasper Marc NChairman & CEOSSale−11.6K$543.08−$6.30M−7.6%141.3K after11 lots10b5-1
May 8, 2023 (view filing)May 4-54 daysCasper Marc NChairman & CEOSSale−20.0K$546.10−$10.9M−12.4%141.3K after16 lots10b5-1
Mar 15, 2023 (view filing)Mar 13-142 daysCasper Marc NChairman & CEOSSale−15.0K$549.14−$8.24M−20.2%59.2K after23 lots
Feb 15, 2023 (view filing)Feb 13-142 daysCasper Marc NChairman & CEOSSale−11.6K$574.14−$6.66M−8.3%128.7K after14 lots
Feb 13, 2023 (view filing)Feb 9-104 daysCasper Marc NChairman & CEOSSale−40.0K$572.31−$22.9M−23.7%128.7K after22 lots
Feb 7, 2023 (view filing)Feb 34 daysManzi Jim PDirectorSSale−1.00K$584.56−$584.6K−6.3%14.8K after2 lots
Dec 16, 2022 (view filing)Dec 151 daySpar Debora LDirectorSSale−200$561.39−$112.3K−17.0%979 after
Dec 15, 2022 (view filing)Dec 13-142 daysPettiti GianlucaExecutive Vice PresidentSSale−6.97K$574.62−$4.01M−32.6%14.4K after2 lots
Nov 18, 2022 (view filing)Nov 16-172 daysCasper Marc NChairman & CEOSSale−15.0K$531.46−$7.97M−16.8%74.2K after27 lots
Nov 14, 2022 (view filing)Nov 10-114 daysCasper Marc NChairman & CEOSSale−20.0K$526.57−$10.5M−11.2%158.0K after25 lots
Nov 8, 2022 (view filing)Nov 4-74 daysCasper Marc NChairman & CEOSSale−18.1K$490.83−$8.88M−9.2%178.0K after18 lots
Nov 4, 2022 (view filing)Nov 31 dayCasper Marc NChairman & CEOSSale−8.20K$487.45−$4.00M−4.4%178.0K after8 lots
Nov 4, 2022 (view filing)Nov 2-32 daysCasper Marc NChairman & CEOSSale−11.8K$500.06−$5.90M−6.0%186.2K after23 lots
Nov 2, 2022 (view filing)Oct 31-Nov 12 daysCasper Marc NChairman & CEOSSale−20.0K$514.39−$10.3M−10.1%178.0K after24 lots
Aug 16, 2022 (view filing)Aug 12-154 daysWilliamson StephenSr. VP and CFOSSale−27.3K$602.29−$16.4M−38.3%43.9K after11 lots
Aug 10, 2022 (view filing)Aug 82 daysBoxer Michael ASVP and General CounselSSale−7.28K$590.80−$4.30M−37.0%12.4K after
Aug 5, 2022 (view filing)Aug 3-42 daysCasper Marc NChairman & CEOSSale−20.0K$589.02−$11.8M−9.8%183.4K after15 lots
Aug 3, 2022 (view filing)Aug 1-22 daysCasper Marc NChairman & CEOSSale−20.0K$590.44−$11.8M−9.8%183.4K after19 lots