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Insider Trading

Last Updated: 4 days, 22 hours ago

Lisa P. Britt has an estimated net worth of at least $36.6 million*, as of Sept. 9, 2026. They own 14,697 shares of TMO stock. They have sold 46,541 shares of TMO stock since 2021, for an estimated $27.7 million.

Lisa P. Britt $TMO SEC Form 4 Insider Trading

Lisa P. Britt has filed a total of 9 insider trades in $TMO since 2021. Their most recent trade was a sale of 11,440 shares, made on Aug 19, 2026. Their largest trade was a sale of 11,440 shares, made on Aug 19, 2026. We estimate that they now own 14,697 shares of $TMO, worth an estimated $8.9 million.



Insider Trading at $TMO

There have been a total of 872 insider trades reported at $TMO since 2021, with 24 shares purchased and 1.3 million shares sold. The most active insider traders in $TMO stock have been Marc N Casper, Mark Stevenson, and Stephen Williamson. The most recent trade was a sale of 400 shares reported by Gianluca Pettiti (President & COO), made on Aug 31, 2026.



History of Insider Stock Trades by Lisa P. Britt

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
TMO logo TMO Sale 11,440 Aug 19, 2026 Aug. 20, 2026, 4:02 p.m.
TMO logo TMO Sale 5,850 Aug 06, 2026 Aug. 7, 2026, 5:32 p.m.
TMO logo TMO Sale 1,057 Nov 12, 2025 Nov. 14, 2025, 5:51 p.m.
TMO logo TMO Sale 1,750 Nov 07, 2025 Nov. 10, 2025, 5:51 p.m.
TMO logo TMO Sale 8,475 Nov 07, 2025 Nov. 10, 2025, 5:51 p.m.
TMO logo TMO Sale 900 Jul 26, 2024 July 29, 2024, 5:30 p.m.
TMO logo TMO Sale 2,724 Jul 26, 2024 July 29, 2024, 5:30 p.m.
TMO logo TMO Sale 5,900 Mar 12, 2024 March 13, 2024, 4:31 p.m.
TMO logo TMO Sale 8,445 Mar 12, 2024 March 13, 2024, 4:31 p.m.




$TMO Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.