Form 4 Tracker
THERMO FISHER SCIENTIFIC INC.
TMO

65 insider filings · Latest: Sep 26, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 31, 2026Sep 1 8:10 PMGianluca PettitiPresident & COO
Sale
4,133$614.38$2.5M23,216.14(D)

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Aug 31, 2026Aug 31 3:37 PMPettiti Gianluca
Proposed Sale
4,133$614.38$2.5M—

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Aug 24, 2026Aug 26 8:01 PMMarc N CasperDirector, Chairman & CEO
Sale
275$627.05$172.4K123,925.358(D)

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Aug 24, 2026Aug 24 8:29 PMCASPER MARC N
Proposed Sale
275$627.05$172.4K—

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Aug 21, 2026Aug 24 8:02 PMMarc N CasperDirector, Chairman & CEO
Sale
10,000$626.92$6.3M123,925.358(D)

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Aug 20, 2026Aug 24 8:02 PMMarc N CasperDirector, Chairman & CEO
Sale
10,000$629.27$6.3M123,925.358(D)

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Aug 21, 2026Aug 21 8:40 PMCASPER MARC N
Proposed Sale
10,000$626.91$6.3M—

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Aug 20, 2026Aug 20 8:33 PMCASPER MARC N
Proposed Sale
10,000$629.27$6.3M—

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Aug 19, 2026Aug 20 8:02 PMLisa P. BrittSr. VP and Chief HR Officer
Sale
11,440$613.12$7.0M14,784.148(D)

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Aug 19, 2026Aug 19 5:44 PMBritt Lisa P.
Proposed Sale
11,440$613.12$7.0M—

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Aug 11, 2026Aug 13 8:01 PMMichael D ShaferExecutive Vice President
Sale
25,500$600.00$15.3M20,994.034(D)

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Aug 11, 2026Aug 11 4:22 PMShafer Michael D
Proposed Sale
25,500$600.00$15.3M—

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Aug 7, 2026Aug 10 8:09 PMJoseph R. HolmesVP & Chief Accounting Officer
Sale
420$584.81$245.6K2,966.356(D)

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Aug 7, 2026Aug 10 8:09 PMMarc N CasperDirector, Chairman & CEO
Sale
4,883$586.12$2.9M0(I)

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Aug 6, 2026Aug 7 9:32 PMLisa P. BrittSr. VP and Chief HR Officer
Sale
5,850$580.00$3.4M14,784.148(D)

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Aug 6, 2026Aug 7 9:26 PMMarc N CasperDirector, Chairman & CEO
Sale
15,000$574.46$8.6M4,608(I)

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Aug 5, 2026Aug 7 9:26 PMMarc N CasperDirector, Chairman & CEO
Sale
15,000$575.23$8.6M9,608(I)

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Aug 7, 2026Aug 7 7:59 PMHolmes Joseph R.
Proposed Sale
420$584.81$245.6K—

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Aug 7, 2026Aug 7 4:48 PMCASPER MARC N
Proposed Sale
4,883$578.00$2.8M—

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Aug 6, 2026Aug 6 8:53 PMBritt Lisa P.
Proposed Sale
5,850$580.00$3.4M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Sep 26, 2026Sep 29 8:14 PMDion J WeislerDirector
Grant/Award
55.56—2,846.55(D)

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Sep 26, 2026Sep 29 8:13 PMScott M SperlingDirector
Grant/Award
62.96—17,737.6(D)

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Sep 26, 2026Sep 29 8:13 PMKaren S LynchDirector
Grant/Award
46.3—398.7(D)

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Sep 26, 2026Sep 29 8:13 PMAlexandra R. KeithDirector
Grant/Award
46.3—1,377.65(D)

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Sep 26, 2026Sep 29 8:13 PMJennifer M JohnsonDirector
Grant/Award
46.3—768.52(D)

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Aug 31, 2026Sep 1 8:10 PMGianluca PettitiPresident & COO
Option Exercise
3,733$309.637,467(D)

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Aug 24, 2026Aug 26 8:01 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
275$309.630(D)

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Aug 21, 2026Aug 24 8:02 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
10,000$309.63275(D)

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Aug 20, 2026Aug 24 8:02 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
10,000$309.6310,275(D)

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Aug 19, 2026Aug 20 8:02 PMLisa P. BrittSr. VP and Chief HR Officer
Option Exercise
11,440$418.320(D)

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Aug 11, 2026Aug 13 8:01 PMMichael D ShaferExecutive Vice President
Option Exercise
25,500$418.320(D)

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Aug 7, 2026Aug 10 8:09 PMJoseph R. HolmesVP & Chief Accounting Officer
Option Exercise
420$309.63140(D)

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Aug 7, 2026Aug 10 8:09 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
275$309.6320,275(D)

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Aug 6, 2026Aug 7 9:32 PMLisa P. BrittSr. VP and Chief HR Officer
Option Exercise
5,850$309.630(D)

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Aug 6, 2026Aug 7 9:26 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
10,000$309.6320,550(D)

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Aug 5, 2026Aug 7 9:26 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
10,000$309.6330,550(D)

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Jun 27, 2026Jun 30 9:23 PMScott M SperlingDirector
Grant/Award
82.84—17,674.64(D)

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Jun 27, 2026Jun 30 9:20 PMAlexandra R. KeithDirector
Grant/Award
60.91—1,331.35(D)

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Jun 27, 2026Jun 30 9:19 PMDion J WeislerDirector
Grant/Award
73.1—2,790.99(D)

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Jun 27, 2026Jun 30 9:17 PMKaren S LynchDirector
Grant/Award
60.91—352.4(D)

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