Michael D Shafer Net Worth
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Michael D Shafer has an estimated net worth of at least $35.1 million*, as of yesterday. They own 20,831 shares of TMO stock. They have sold 37,832 shares of TMO stock since 2021, for an estimated $22.5 million.
Michael D Shafer $TMO SEC Form 4 Insider Trading
Michael D Shafer has filed a total of 5 insider trades in $TMO since 2021. Their most recent trade was a sale of 11,200 shares, made on Aug 11, 2026. Their largest trade was a sale of 14,300 shares, made on Aug 11, 2026. We estimate that they now own 20,831 shares of $TMO, worth an estimated $12.6 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 Michael D Shafer
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
TMO
|
Sale | 11,200 | Aug 11, 2026 | Aug. 13, 2026, 4:01 p.m. |
|
TMO
|
Sale | 14,300 | Aug 11, 2026 | Aug. 13, 2026, 4:01 p.m. |
|
TMO
|
Sale | 1,607 | Mar 11, 2026 | March 12, 2026, 4:23 p.m. |
|
TMO
|
Sale | 8,475 | Nov 25, 2025 | Nov. 26, 2025, 6:24 p.m. |
|
TMO
|
Sale | 2,250 | Nov 25, 2025 | Nov. 26, 2025, 6:24 p.m. |
$TMO Executives and Stock Owners with Insider Trades
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Marc N Casper, Chairman & CEO
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Mark Stevenson, Executive Vice President & COO
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Stephen Williamson, Sr. VP and CFO
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Michel Lagarde, Executive Vice President & COO
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Gianluca Pettiti, Executive Vice President
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Lisa P. Britt, Sr. VP and Chief HR Officer
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Joseph R. Holmes, VP & Chief Accounting Officer
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Michael A Boxer, SVP and General Counsel
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Michael D Shafer, Executive Vice President
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Gianluca Pettiti, President & COO
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Frederick M. Lowery, Executive Vice President
*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.