Insider Transactions Reported by 26 Insiders of THERMO FISHER SCIENTIFIC INC.

Symbol
TMO on NYSE
Location
Waltham, MA

Insiders trading volume in the past year

THERMO FISHER SCIENTIFIC INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Marc N. Casper Chairman & CEO, Director $83,541,326 -$34,662,470 -29% 05 Mar 2026
Mark P. Stevenson Retiring Executive VP & COO $60,539,983 25 Feb 2022
Scott M. Sperling Director $49,195,313 31 Dec 2025
Michel Lagarde Executive Vice President $44,373,196 -$51,307,290 -54% 28 Feb 2026
Stephen Williamson Retiring Sr. VP and CFO $24,781,094 28 Feb 2026
Gianluca Pettiti President & COO $13,262,683 -$2,657,055 -17% 28 Feb 2026
Michael D. Shafer Executive Vice President $10,462,407 -$7,237,536 -41% 11 Mar 2026
Frederick M. Lowery) Executive Vice President $8,577,498 -$8,154,131 -49% 28 Feb 2026
Lisa P. Britt Sr. VP and Chief HR Officer $7,704,167 -$6,466,986 -46% 28 Feb 2026
Jim P. Manzi Director $6,861,860 03 Feb 2023
Thomas J. Lynch Director $6,606,979 05 Nov 2021
Nelson Chai Director $6,334,712 21 May 2025
Michael A. Boxer SVP and General Counsel $5,759,762 10 Mar 2025
Lars Rebien Sorensen Director $5,455,093 22 May 2024
C. Martin Harris Director $3,861,878 21 May 2025
Tyler Jacks Director $3,831,951 21 May 2025
Thomas B. Shropshire Jr. SVP and General Counsel $3,749,667 25 Feb 2026
James Meyer Sr. Vice President & CFO $3,646,893 01 Mar 2026
Dion J. Weisler Director $3,428,243 31 Dec 2025
Joseph R. Holmes VP & Chief Accounting Officer $1,545,797 -$189,662 -11% 28 Feb 2026
James C. Mullen Director $1,450,609 21 May 2025
R. Alexandra Keith Director $1,435,156 31 Dec 2025
Ruby R. Chandy Director $1,267,198 21 May 2025
Debora L. Spar Director $902,515 21 May 2025
Jennifer M. Johnson Director $598,171 31 Dec 2025
Karen S. Lynch Director $329,407 31 Dec 2025

Recent Insider Transactions by Companies or Individuals for THERMO FISHER SCIENTIFIC INC.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Michael D. Shafer TMO Common Stock Sale -7.12% $802,536 $499.40 -1,607 20,950 11 Mar 2026 Direct
Marc N. Casper TMO Common Stock Sale -3.13% $2,059,261 $514.82 -4,000 123,925 05 Mar 2026 Direct
Marc N. Casper TMO Common Stock Options Exercise 3.23% 4,000 127,925 05 Mar 2026 Direct
Marc N. Casper TMO Stock Option (Right to Buy) Options Exercise -8.98% -4,000 40,550 05 Mar 2026 Direct
Marc N. Casper TMO Common Stock Sale -3.88% $2,561,994 $512.40 -5,000 123,925 04 Mar 2026 Direct
Marc N. Casper TMO Common Stock Options Exercise 4.03% 5,000 128,925 04 Mar 2026 Direct
Marc N. Casper TMO Stock Option (Right to Buy) Options Exercise -10.1% -5,000 44,550 04 Mar 2026 Direct
Marc N. Casper TMO Common Stock Sale -3.88% $2,515,495 $503.10 -5,000 123,925 03 Mar 2026 Direct
Marc N. Casper TMO Common Stock Options Exercise 4.03% 5,000 128,925 03 Mar 2026 Direct
Marc N. Casper TMO Stock Option (Right to Buy) Options Exercise -9.17% -5,000 49,550 03 Mar 2026 Direct
Marc N. Casper TMO Common Stock Tax liability -3.64% -4,685 123,925 28 Feb 2026 Direct
Lisa P. Britt TMO Common Stock Tax liability -2.3% -348 14,784 28 Feb 2026 Direct
Joseph R. Holmes TMO Common Stock Tax liability -3.78% -117 2,966 28 Feb 2026 Direct
Michel Lagarde TMO Common Stock Tax liability -1.39% -1,197 85,151 28 Feb 2026 Direct
Gianluca Pettiti TMO Common Stock Tax liability -4.05% -1,073 25,451 28 Feb 2026 Direct
Stephen Williamson TMO Common Stock Tax liability -2.76% -922 32,499 28 Feb 2026 Direct
Michael D. Shafer TMO Common Stock Tax liability -3.49% -816 22,557 28 Feb 2026 Direct
Frederick M. Lowery TMO Common Stock Tax liability -5.63% -897 15,044 28 Feb 2026 Direct
Stephen Williamson TMO Common Stock Award 4.81% 1,534 33,421 25 Feb 2026 Direct
Michel Lagarde TMO Common Stock Award 2.65% 2,231 86,348 25 Feb 2026 Direct
Lisa P. Britt TMO Common Stock Award 15.6% 2,045 15,132 25 Feb 2026 Direct
Lisa P. Britt TMO Stock Option (Right to Buy) Award 5,139 5,139 25 Feb 2026 Direct
Frederick M. Lowery TMO Common Stock Award 11.4% 1,638 15,941 25 Feb 2026 Direct
Thomas B. Shropshire Jr. TMO Common Stock Award 19.2% 978 6,058 25 Feb 2026 Direct
Thomas B. Shropshire Jr. TMO Stock Option (Right to Buy) Award 4,281 4,281 25 Feb 2026 Direct
Michael D. Shafer TMO Common Stock Award 25.2% 4,698 23,373 25 Feb 2026 Direct
Michael D. Shafer TMO Stock Option (Right to Buy) Award 13,698 13,698 25 Feb 2026 Direct
Joseph R. Holmes TMO Common Stock Award 33.3% 770 3,083 25 Feb 2026 Direct
Joseph R. Holmes TMO Stock Option (Right to Buy) Award 985 985 25 Feb 2026 Direct
Gianluca Pettiti TMO Common Stock Award 27.8% 5,772 26,524 25 Feb 2026 Direct
Gianluca Pettiti TMO Stock Option (Right to Buy) Award 16,270 16,270 25 Feb 2026 Direct
Marc N. Casper TMO Common Stock Award 13% 14,848 128,610 25 Feb 2026 Direct
Marc N. Casper TMO Stock Option (Right to Buy) Award 32,109 32,109 25 Feb 2026 Direct
Gianluca Pettiti TMO Common Stock Sale -1.89% $216,480 $541.20 -400 20,752 09 Feb 2026 Direct
Karen S. Lynch TMO Phantom Stock Units Award 31.4% 53.93 225 31 Dec 2025 Direct
R. Alexandra Keith TMO Phantom Stock Units Award 4.69% 53.93 1,204 31 Dec 2025 Direct
Scott M. Sperling TMO Phantom Stock Units Award 0.42% 73.35 17,502 31 Dec 2025 Direct
Dion J. Weisler TMO Phantom Stock Units Award 2.51% 64.72 2,639 31 Dec 2025 Direct
Jennifer M. Johnson TMO Phantom Stock Units Award 9.96% 53.93 595 31 Dec 2025 Direct
Scott M. Sperling TMO Common Stock Gift -5.98% -4,386 68,980 10 Dec 2025 Direct
Michel Lagarde TMO Common Stock Sale -20.8% $12,424,244 $563.56 -22,046 84,117 04 Dec 2025 Direct
Michel Lagarde TMO Common Stock Options Exercise 62.1% 40,683 106,163 04 Dec 2025 Direct
Michel Lagarde TMO Stock Option (Right to Buy) Options Exercise -100% -40,683 0 04 Dec 2025 Direct
Michel Lagarde TMO Common Stock Sale -32.8% $18,668,526 $583.39 -32,000 65,480 03 Dec 2025 Direct
Michel Lagarde TMO Common Stock Options Exercise 230.7% 68,000 97,480 03 Dec 2025 Direct
Michel Lagarde TMO Stock Option (Right to Buy) Options Exercise -78.5% -68,000 18,637 03 Dec 2025 Direct
Michel Lagarde TMO Common Stock Sale -50.4% $17,457,600 $581.92 -30,000 29,480 02 Dec 2025 Direct
Michel Lagarde TMO Common Stock Options Exercise 153.3% 36,000 59,480 02 Dec 2025 Direct
Michel Lagarde TMO Stock Option (Right to Buy) Options Exercise -29.4% -36,000 86,637 02 Dec 2025 Direct
Thomas B. Shropshire Jr. TMO Common Stock Tax liability -6.23% -337 5,080 02 Dec 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.