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TMO Thermo Fisher Scientific, Inc.

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$61.2M net selling - trailing 90 days

0 buyers - 5 unique sellers

Historical context: No open-market activity in Sep 2026 — insiders sold in 18 of the last 24 months

6 accumulating - 6 trimming - 2 unchanged

14 comparable institutions - Q2 2026

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$100.0M$50.0M$0-$50.0M-$100.0M2024-10 -$23.3M2024-11 -$19.0M2024-12 -$10.2M2025-01 $02025-02 -$21.5M2025-03 -$12.2M2025-04 -$129K2025-05 -$164K2025-06 $02025-07 -$192K2025-08 -$13.6M2025-09 -$150K2025-10 -$14.1M2025-11 -$17.4M2025-12 -$56.7M2026-01 $02026-02 -$216K2026-03 -$7.6M2026-04 -$185K2026-05 $02026-06 $02026-07 -$226K2026-08 -$61.0M2026-09 $0Institutional shares (majority-gated quarters)200.0M100.0M02025-Q4 108.7M sh2026-Q1 81.7M sh2026-Q2 86.8M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Who is responsible

Insider Role Net activity Rows
CASPER MARC N Chairman & CEO -~$32.5M 81
Shafer Michael D Executive Vice President -~$15.3M 2
Britt Lisa P. Sr. VP and Chief HR Officer -~$10.4M 2
Pettiti Gianluca President & COO -~$2.8M 3
Holmes Joseph R. VP & Chief Accounting Officer -~$0.2M 1

Transactions

Date Insider Role Type Shares Price Value
August 31, 2026 Pettiti Gianluca President & COO 2 reported sale rows 4133 — ~$2.5M
August 24, 2026 CASPER MARC N Chairman & CEO 4 reported sale rows 275 — ~$0.2M
August 21, 2026 CASPER MARC N Chairman & CEO 5 reported sale rows 10000 — ~$6.3M
August 20, 2026 CASPER MARC N Chairman & CEO 9 reported sale rows 10000 — ~$6.3M
August 19, 2026 Britt Lisa P. Sr. VP and Chief HR Officer S -11440 613.12 ~$7.0M
August 11, 2026 Shafer Michael D Executive Vice President 2 reported sale rows 25500 — ~$15.3M
August 7, 2026 CASPER MARC N Chairman & CEO 24 reported sale rows 4764 — ~$2.8M
August 7, 2026 Holmes Joseph R. VP & Chief Accounting Officer S -420 584.81 ~$0.2M
August 6, 2026 CASPER MARC N Chairman & CEO 17 reported sale rows 14520 — ~$8.3M
August 6, 2026 Britt Lisa P. Sr. VP and Chief HR Officer S -5850 580 ~$3.4M
August 5, 2026 CASPER MARC N Chairman & CEO 22 reported sale rows 15000 — ~$8.6M
July 27, 2026 Pettiti Gianluca President & COO S -400 565 ~$0.2M
April 27, 2026 Pettiti Gianluca President & COO S -400 462.66 ~$0.2M
March 11, 2026 Shafer Michael D Executive Vice President S -1607 499.4 ~$0.8M
March 5, 2026 CASPER MARC N Chairman & CEO 13 reported sale rows 4000 — ~$2.1M
March 4, 2026 CASPER MARC N Chairman & CEO 8 reported sale rows 5000 — ~$2.6M
March 3, 2026 CASPER MARC N Chairman & CEO 9 reported sale rows 4400 — ~$2.2M
February 9, 2026 Pettiti Gianluca Executive Vice President S -400 541.2 ~$0.2M
December 4, 2025 Lagarde Michel Executive Vice President & COO S -22046 563.56 ~$12.4M
December 3, 2025 Lagarde Michel Executive Vice President & COO 2 reported sale rows 32000 — ~$18.7M
December 2, 2025 Lowery Frederick M. Executive Vice President S -6912 581.94 ~$4.0M
December 2, 2025 Lagarde Michel Executive Vice President & COO S -30000 581.92 ~$17.5M
December 1, 2025 Lowery Frederick M. Executive Vice President S -6913 597.68 ~$4.1M
November 25, 2025 Shafer Michael D Executive Vice President 2 reported sale rows 10725 — ~$6.4M
November 13, 2025 Lagarde Michel Executive Vice President & COO S -4638 594.42 ~$2.8M
November 12, 2025 Britt Lisa P. Sr. VP and Chief HR Officer S -1057.577 588.265 ~$0.6M
November 10, 2025 Pettiti Gianluca Executive Vice President 2 reported sale rows 2975 — ~$1.7M
November 7, 2025 Britt Lisa P. Sr. VP and Chief HR Officer 2 reported sale rows 10225 — ~$5.8M
October 27, 2025 CASPER MARC N Chairman & CEO 11 reported sale rows 7250 — ~$4.1M
October 24, 2025 CASPER MARC N Chairman & CEO 5 reported sale rows 17104 — ~$9.8M
October 24, 2025 Pettiti Gianluca Executive Vice President S -400 574.15 ~$0.2M
September 5, 2025 CASPER MARC N Chairman & CEO 2 reported sale rows 300 — ~$0.2M
August 29, 2025 Holmes Joseph R. VP & Chief Accounting Officer 2 reported sale rows 385 — ~$0.2M
August 22, 2025 CASPER MARC N Chairman & CEO 3 reported sale rows 10000 — ~$5.0M
August 20, 2025 CASPER MARC N Chairman & CEO 2 reported sale rows 295 — ~$0.1M
August 19, 2025 CASPER MARC N Chairman & CEO S -201 500.1671 ~$0.1M
August 7, 2025 CASPER MARC N Chairman & CEO 5 reported sale rows 8000 — ~$3.6M
August 6, 2025 CASPER MARC N Chairman & CEO 15 reported sale rows 10000 — ~$4.5M
July 25, 2025 Pettiti Gianluca Executive Vice President S -400 479.98 ~$0.2M
May 12, 2025 Pettiti Gianluca Executive Vice President S -400 411.11 ~$0.2M
April 28, 2025 Pettiti Gianluca Executive Vice President S -300 429.93 ~$0.1M
March 10, 2025 Boxer Michael A SVP and General Counsel S -3775.48 532.525 ~$2.0M
March 5, 2025 CASPER MARC N Chairman & CEO 7 reported sale rows 7800 — ~$4.1M
March 4, 2025 CASPER MARC N Chairman & CEO 9 reported sale rows 10000 — ~$5.2M
March 3, 2025 Shafer Michael D Executive Vice President S -1780 530.92 ~$0.9M
February 24, 2025 Lowery Frederick M. Executive Vice President S -18300 531.81 ~$9.7M
February 19, 2025 Chai Nelson — S -16 528.09 ~$8K
February 4, 2025 Williamson Stephen Sr. VP and CFO S -9825 585.59 ~$5.8M
February 4, 2025 Pettiti Gianluca Executive Vice President S -300 585.59 ~$0.2M
February 3, 2025 Williamson Stephen Sr. VP and CFO S -9825 593.13 ~$5.8M
December 9, 2024 Chai Nelson — P 4 535.9326 ~$2K
December 3, 2024 CASPER MARC N Chairman & CEO 6 reported sale rows 9600 — ~$5.1M
December 2, 2024 CASPER MARC N Chairman & CEO 6 reported sale rows 9600 — ~$5.1M
November 8, 2024 CASPER MARC N Chairman & CEO 5 reported sale rows 9000 — ~$5.0M
November 7, 2024 CASPER MARC N Chairman & CEO 7 reported sale rows 10000 — ~$5.6M
November 7, 2024 Chai Nelson — P 16 555.89 ~$9K
November 6, 2024 CASPER MARC N Chairman & CEO 9 reported sale rows 9600 — ~$5.4M
November 1, 2024 CASPER MARC N Chairman & CEO 6 reported sale rows 5550 — ~$3.1M
October 31, 2024 CASPER MARC N Chairman & CEO 6 reported sale rows 10000 — ~$5.5M
October 30, 2024 CASPER MARC N Chairman & CEO 6 reported sale rows 10000 — ~$5.5M
October 29, 2024 CASPER MARC N Chairman & CEO 6 reported sale rows 10000 — ~$5.5M
October 28, 2024 CASPER MARC N Chairman & CEO 7 reported sale rows 10000 — ~$5.5M
October 25, 2024 Pettiti Gianluca Executive Vice President S -300 560.16 ~$0.2M
October 25, 2024 Boxer Michael A SVP and General Counsel S -2000 560.16 ~$1.1M