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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: most recent complete month (2026-08) is the 2nd percentile of this ticker's monthly net P/S flow over 23 complete months (limited history). Lower percentiles are more selling; higher are more buying.

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 -$61.0MInstitutional 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
8/31/2026 Pettiti Gianluca President & COO 2 reported sale rows 4133 ~$2.5M
8/24/2026 CASPER MARC N Chairman & CEO 4 reported sale rows 275 ~$0.2M
8/21/2026 CASPER MARC N Chairman & CEO 5 reported sale rows 10000 ~$6.3M
8/20/2026 CASPER MARC N Chairman & CEO 9 reported sale rows 10000 ~$6.3M
8/19/2026 Britt Lisa P. Sr. VP and Chief HR Officer S -11440 613.12 ~$7.0M
8/11/2026 Shafer Michael D Executive Vice President 2 reported sale rows 25500 ~$15.3M
8/7/2026 CASPER MARC N Chairman & CEO 24 reported sale rows 4764 ~$2.8M
8/7/2026 Holmes Joseph R. VP & Chief Accounting Officer S -420 584.81 ~$0.2M
8/6/2026 CASPER MARC N Chairman & CEO 17 reported sale rows 14520 ~$8.3M
8/6/2026 Britt Lisa P. Sr. VP and Chief HR Officer S -5850 580 ~$3.4M
8/5/2026 CASPER MARC N Chairman & CEO 22 reported sale rows 15000 ~$8.6M
7/27/2026 Pettiti Gianluca President & COO S -400 565 ~$0.2M
4/27/2026 Pettiti Gianluca President & COO S -400 462.66 ~$0.2M
3/11/2026 Shafer Michael D Executive Vice President S -1607 499.4 ~$0.8M
3/5/2026 CASPER MARC N Chairman & CEO 13 reported sale rows 4000 ~$2.1M
3/4/2026 CASPER MARC N Chairman & CEO 8 reported sale rows 5000 ~$2.6M
3/3/2026 CASPER MARC N Chairman & CEO 9 reported sale rows 4400 ~$2.2M
2/9/2026 Pettiti Gianluca Executive Vice President S -400 541.2 ~$0.2M
12/4/2025 Lagarde Michel Executive Vice President & COO S -22046 563.56 ~$12.4M
12/3/2025 Lagarde Michel Executive Vice President & COO 2 reported sale rows 32000 ~$18.7M
12/2/2025 Lowery Frederick M. Executive Vice President S -6912 581.94 ~$4.0M
12/2/2025 Lagarde Michel Executive Vice President & COO S -30000 581.92 ~$17.5M
12/1/2025 Lowery Frederick M. Executive Vice President S -6913 597.68 ~$4.1M
11/25/2025 Shafer Michael D Executive Vice President 2 reported sale rows 10725 ~$6.4M
11/13/2025 Lagarde Michel Executive Vice President & COO S -4638 594.42 ~$2.8M
11/12/2025 Britt Lisa P. Sr. VP and Chief HR Officer S -1057.577 588.265 ~$0.6M
11/10/2025 Pettiti Gianluca Executive Vice President 2 reported sale rows 2975 ~$1.7M
11/7/2025 Britt Lisa P. Sr. VP and Chief HR Officer 2 reported sale rows 10225 ~$5.8M
10/27/2025 CASPER MARC N Chairman & CEO 11 reported sale rows 7250 ~$4.1M
10/24/2025 CASPER MARC N Chairman & CEO 5 reported sale rows 17104 ~$9.8M
10/24/2025 Pettiti Gianluca Executive Vice President S -400 574.15 ~$0.2M
9/5/2025 CASPER MARC N Chairman & CEO 2 reported sale rows 300 ~$0.2M
8/29/2025 Holmes Joseph R. VP & Chief Accounting Officer 2 reported sale rows 385 ~$0.2M
8/22/2025 CASPER MARC N Chairman & CEO 3 reported sale rows 10000 ~$5.0M
8/20/2025 CASPER MARC N Chairman & CEO 2 reported sale rows 295 ~$0.1M
8/19/2025 CASPER MARC N Chairman & CEO S -201 500.1671 ~$0.1M
8/7/2025 CASPER MARC N Chairman & CEO 5 reported sale rows 8000 ~$3.6M
8/6/2025 CASPER MARC N Chairman & CEO 15 reported sale rows 10000 ~$4.5M
7/25/2025 Pettiti Gianluca Executive Vice President S -400 479.98 ~$0.2M
5/12/2025 Pettiti Gianluca Executive Vice President S -400 411.11 ~$0.2M
4/28/2025 Pettiti Gianluca Executive Vice President S -300 429.93 ~$0.1M
3/10/2025 Boxer Michael A SVP and General Counsel S -3775.48 532.525 ~$2.0M
3/5/2025 CASPER MARC N Chairman & CEO 7 reported sale rows 7800 ~$4.1M
3/4/2025 CASPER MARC N Chairman & CEO 9 reported sale rows 10000 ~$5.2M
3/3/2025 Shafer Michael D Executive Vice President S -1780 530.92 ~$0.9M
2/24/2025 Lowery Frederick M. Executive Vice President S -18300 531.81 ~$9.7M
2/19/2025 Chai Nelson S -16 528.09 ~$8K
2/4/2025 Williamson Stephen Sr. VP and CFO S -9825 585.59 ~$5.8M
2/4/2025 Pettiti Gianluca Executive Vice President S -300 585.59 ~$0.2M
2/3/2025 Williamson Stephen Sr. VP and CFO S -9825 593.13 ~$5.8M
12/9/2024 Chai Nelson P 4 535.9326 ~$2K
12/3/2024 CASPER MARC N Chairman & CEO 6 reported sale rows 9600 ~$5.1M
12/2/2024 CASPER MARC N Chairman & CEO 6 reported sale rows 9600 ~$5.1M
11/8/2024 CASPER MARC N Chairman & CEO 5 reported sale rows 9000 ~$5.0M
11/7/2024 CASPER MARC N Chairman & CEO 7 reported sale rows 10000 ~$5.6M
11/7/2024 Chai Nelson P 16 555.89 ~$9K
11/6/2024 CASPER MARC N Chairman & CEO 9 reported sale rows 9600 ~$5.4M
11/1/2024 CASPER MARC N Chairman & CEO 6 reported sale rows 5550 ~$3.1M
10/31/2024 CASPER MARC N Chairman & CEO 6 reported sale rows 10000 ~$5.5M
10/30/2024 CASPER MARC N Chairman & CEO 6 reported sale rows 10000 ~$5.5M
10/29/2024 CASPER MARC N Chairman & CEO 6 reported sale rows 10000 ~$5.5M
10/28/2024 CASPER MARC N Chairman & CEO 7 reported sale rows 10000 ~$5.5M
10/25/2024 Boxer Michael A SVP and General Counsel S -2000 560.16 ~$1.1M
10/25/2024 Pettiti Gianluca Executive Vice President S -300 560.16 ~$0.2M