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Insider Trading

Stephen Williamson Net Worth

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Last Updated: 23 hours ago

Stephen Williamson has an estimated net worth of at least $76.7 million*, as of yesterday. They own 31,125 shares of TMO stock. They have sold 100,875 shares of TMO stock since 2021, for an estimated $59.9 million.

Stephen Williamson $TMO SEC Form 4 Insider Trading

Stephen Williamson has filed a total of 24 insider trades in $TMO since 2021. Their most recent trade was a sale of 21,925 shares, made on May 13, 2024. Their largest trade was a sale of 21,925 shares, made on May 13, 2024. We estimate that they now own 31,125 shares of $TMO, worth an estimated $16.8 million.



Insider Trading at $TMO

There have been a total of 657 insider trades reported at $TMO since 2021, with 4 shares purchased and 954,226 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 1,050 shares reported by MARC N CASPER (Chairman & CEO), made on Dec 03, 2024.



History of Insider Stock Trades by Stephen Williamson

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
TMO Sale 21,925 May 13, 2024 May 15, 2024, 4:14 p.m.
TMO Sale 15,000 Jul 31, 2023 Aug. 2, 2023, 4:33 p.m.
TMO Sale 14,100 Aug 01, 2023 Aug. 2, 2023, 4:33 p.m.
TMO Sale 40 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 7,800 Aug 12, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 2,500 Aug 12, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 3,316 Aug 12, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 1,384 Aug 12, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 500 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 1,300 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 1,652 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 5,484 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 2,444 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 880 Aug 15, 2022 Aug. 16, 2022, 5:25 p.m.
TMO Sale 400 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 3,717 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 4,085 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 3,645 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 4,760 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 3,159 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 1,684 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 700 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 100 Nov 02, 2021 Nov. 2, 2021, 8 p.m.
TMO Sale 300 Nov 02, 2021 Nov. 2, 2021, 8 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.