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Thermo Fisher Scientific (TMO) Insider Trading & Ownership

Thermo Fisher Scientific logo
$484.74 -6.67 (-1.36%)
As of 01:20 PM Eastern
This is a fair market value price provided by Polygon.io. Learn more.
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Thermo Fisher Scientific (NYSE:TMO) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
0.33%
Number Of
Insiders Buying
(Last 12 Months)
0
Number Of
Insiders Selling
(Last 12 Months)
5
Amount Of
Insider Selling
(Last 12 Months)
$53.37M
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TMO Insider Buying and Selling by Quarter

Thermo Fisher Scientific Insider and Congressional Trades History

Export to Excel
Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
9/5/2025Marc N CasperCEOSell400$500.50$200,200.00  
8/29/2025Joseph R HolmesCAOSell385$492.63$189,662.55  
8/29/2025Joseph R HolmesCAOSell385$492.63$189,662.55  
8/22/2025Marc N CasperCEOSell10,000$500.96$5,009,600.00  
8/20/2025Marc N CasperCEOSell295$500.04$147,511.80  
8/19/2025Marc N CasperCEOSell201$500.17$100,534.17  
8/7/2025Marc N CasperCEOSell8,000$454.45$3,635,600.00  
8/6/2025Marc N CasperCEOSell10,000$451.82$4,518,200.00  
7/30/2025Ro KhannaU.S. Congress Member (D-CA)Buy$477.01$1,001 - $15,000
7/25/2025Gianluca PettitiEVPSell400$479.98$191,992.00  
7/22/2025Lisa C. McClainU.S. Congress Member (R-MI)Buy$427.81$1,001 - $15,000
7/21/2025Angus S. King Jr.U.S. Congress Member (I-ME)Sell$405.15$1,001 - $15,000
7/1/2025Ro KhannaU.S. Congress Member (D-CA)Buy$421.35$1,001 - $15,000
6/23/2025Ro KhannaU.S. Congress Member (D-CA)Buy$400.26$1,001 - $15,000
6/20/2025Ro KhannaU.S. Congress Member (D-CA)Buy$397.31$1,001 - $15,000
6/10/2025Lisa C. McClainU.S. Congress Member (R-MI)Sell$414.53$1,001 - $15,000
5/28/2025Ro KhannaU.S. Congress Member (D-CA)Sell$401.88$15,001 - $50,000
5/19/2025Ro KhannaU.S. Congress Member (D-CA)Sell$413.75$15,001 - $50,000
5/16/2025Rick W. AllenU.S. Congress Member (R-GA)Sell$412.15$15,001 - $50,000
5/15/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Buy$404.27$15,001 - $50,000
5/13/2025Markwayne MullinU.S. Congress Member (R-OK)Buy$428.88$15,001 - $50,000
5/5/2025Thomas H. Kean, Jr.U.S. Congress Member (R-NJ)Buy$422.38$1,001 - $15,000
4/28/2025Gianluca PettitiEVPSell300$429.93$128,979.00  
4/23/2025Ro KhannaU.S. Congress Member (D-CA)Sell$432.31$1,001 - $15,000
4/21/2025Bruce WestermanU.S. Congress Member (R-AR)Sell$422.43$1,001 - $15,000
4/15/2025Ro KhannaU.S. Congress Member (D-CA)Buy$440.91$15,001 - $50,000
4/11/2025Rick W. AllenU.S. Congress Member (R-GA)Sell$437.91$15,001 - $50,000
4/11/2025Dan NewhouseU.S. Congress Member (R-WA)Sell$437.91$1,001 - $15,000
4/9/2025Ro KhannaU.S. Congress Member (D-CA)Buy$452.24$15,001 - $50,000
4/8/2025Markwayne MullinU.S. Congress Member (R-OK)Sell$417.57$50,001 - $100,000
4/8/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$417.57$15,001 - $50,000
4/7/2025Julie JohnsonU.S. Congress Member (D-TX)Sell$437.80$1,001 - $15,000
4/7/2025Jefferson ShreveU.S. Congress Member (R-IN)Sell$437.80$15,001 - $50,000
3/27/2025Greg LandsmanU.S. Congress Member (D-OH)Sell$511.69$1,001 - $15,000
3/10/2025Michael A BoxerSVPSell3,775$532.52$2,010,263.00  
3/4/2025Marc N CasperCEOSell10,000$516.67$5,166,700.00  
3/3/2025Bruce WestermanU.S. Congress Member (R-AR)Buy$523.00$1,001 - $15,000
2/25/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$539.86$1,001 - $15,000
2/4/2025Gianluca PettitiEVPSell300$585.59$175,677.00  
2/4/2025Stephen WilliamsonCFOSell9,825$585.59$5,753,421.75  
12/2/2024Marc N CasperCEOSell10,000$530.26$5,302,600.00  
11/8/2024Marc N CasperCEOSell9,000$552.86$4,975,740.00  
11/6/2024Marc N CasperCEOSell10,000$558.12$5,581,200.00  
11/1/2024Marc N CasperCEOSell5,850$557.89$3,263,656.50  
10/28/2024Marc N CasperCEOSell10,000$554.29$5,542,900.00  
10/25/2024Gianluca PettitiEVPSell300$560.16$168,048.00  
10/25/2024Michael A BoxerSVPSell2,000$560.16$1,120,320.00  
(Data available from 1/1/2013 forward)

TMO Insider Trading Activity - Frequently Asked Questions

0.33% of Thermo Fisher Scientific stock is owned by insiders. Learn more on TMO's insider holdings.

The following insiders have sold TMO shares in the last 24 months: Debora L Spar ($89,703.08), Gianluca Pettiti ($844,951.00), Joseph R Holmes ($904,810.90), Lisa P Britt ($2,221,584.48), Marc N Casper ($94,149,798.61), Michael A Boxer ($13,654,255.00), and Stephen Williamson ($5,753,421.75).

Insiders have sold a total of 216,777 Thermo Fisher Scientific shares in the last 24 months for a total of $117,618,524.82 sold.

Ro Khanna (D-CA), Lisa C. McClain (R-MI), Robert Bresnahan, Jr. (R-PA), Markwayne Mullin (R-OK), Thomas H. Kean, Jr. (R-NJ), and Bruce Westerman (R-AR) have bought shares of Thermo Fisher Scientific in the last year totaling $186,000. Angus S. King Jr. (I-ME), Lisa C. McClain (R-MI), Ro Khanna (D-CA), Rick W. Allen (R-GA), Bruce Westerman (R-AR), Dan Newhouse (R-WA), Markwayne Mullin (R-OK), Robert Bresnahan, Jr. (R-PA), Julie Johnson (D-TX), Jefferson Shreve (R-IN), and Greg Landsman (D-OH) have sold shares totaling $334,000.

Thermo Fisher Scientific Key Executives


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This page (NYSE:TMO) was last updated on 9/12/2025 by MarketBeat.com Staff
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