Form 4 Tracker
THERMO FISHER SCIENTIFIC INC.
TMO

65 insider filings · Latest: Sep 26, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 6, 2026Aug 6 6:43 PMCASPER MARC N
Proposed Sale
15,000$576.80$8.7M—

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Aug 5, 2026Aug 5 4:07 PMCASPER MARC N
Proposed Sale
15,000$567.93$8.5M—

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Jul 27, 2026Jul 28 8:24 PMGianluca PettitiPresident & COO
Sale
400$565.00$226.0K24,650.832(D)

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Jul 27, 2026Jul 28 3:57 PMPettiti Gianluca
Proposed Sale
400$565.00$226.0K—

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Jul 27, 2026Jul 27 2:04 PMPettiti Gianluca
Proposed Sale
400$565.00$226.0K—

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May 29, 2026May 29 4:14 PMLagarde Michel
Proposed Sale
45,940$488.67$22.4M—

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May 27, 2026May 27 3:41 PMLowery Frederick M.
Proposed Sale
14,300$452.14$6.5M—

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Apr 27, 2026Apr 29 8:38 PMGianluca PettitiPresident & COO
Sale
400$462.66$185.1K25,050.832(D)

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Apr 27, 2026Apr 27 1:58 PMPettiti Gianluca
Proposed Sale
400$462.66$185.1K—

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Mar 11, 2026Mar 12 8:23 PMMichael D ShaferExecutive Vice President
Sale
1,607$499.40$802.5K20,949.955(D)

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Mar 11, 2026Mar 11 2:28 PMShafer Michael D
Proposed Sale
1,607$499.40$802.5K—

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Mar 5, 2026Mar 9 8:39 PMMarc N CasperDirector, Chairman & CEO
Sale
4,000$514.82$2.1M123,925.358(D)

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Mar 4, 2026Mar 5 9:53 PMMarc N CasperDirector, Chairman & CEO
Sale
5,000$512.40$2.6M123,925.358(D)

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Mar 3, 2026Mar 5 9:53 PMMarc N CasperDirector, Chairman & CEO
Sale
5,000$503.10$2.5M123,925.358(D)

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Mar 5, 2026Mar 5 3:19 PMCASPER MARC N
Proposed Sale
4,000$503.18$2.0M—

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Mar 4, 2026Mar 4 3:25 PMCASPER MARC N
Proposed Sale
5,000$510.00$2.5M—

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Mar 3, 2026Mar 3 5:23 PMCASPER MARC N
Proposed Sale
5,000$501.51$2.5M—

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Mar 3, 2026Mar 3 3:43 PMWilliamson Stephen
Proposed Sale
6,000$498.92$3.0M—

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Feb 9, 2026Feb 11 9:26 PMGianluca PettitiExecutive Vice President
Sale
400$541.20$216.5K20,752.223(D)

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Feb 9, 2026Feb 9 3:18 PMPettiti Gianluca
Proposed Sale
400$541.20$216.5K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 27, 2026Jun 30 9:14 PMJennifer M JohnsonDirector
Grant/Award
60.91—722.22(D)

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Mar 28, 2026Mar 31 9:03 PMScott M SperlingDirector
Grant/Award
89.78—17,591.8(D)

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Mar 28, 2026Mar 31 9:02 PMAlexandra R. KeithDirector
Grant/Award
66.02—1,270.44(D)

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Mar 28, 2026Mar 31 9:01 PMKaren S LynchDirector
Grant/Award
66.02—291.49(D)

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Mar 28, 2026Mar 31 8:59 PMJennifer M JohnsonDirector
Grant/Award
66.02—661.31(D)

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Mar 28, 2026Mar 31 8:58 PMDion J WeislerDirector
Grant/Award
79.22—2,717.89(D)

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Mar 5, 2026Mar 9 8:39 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
4,000$309.6340,550(D)

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Mar 4, 2026Mar 5 9:53 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
5,000$309.6344,550(D)

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Mar 3, 2026Mar 5 9:53 PMMarc N CasperDirector, Chairman & CEO
Option Exercise
5,000$309.6349,550(D)

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Feb 25, 2026Feb 27 10:08 PMLisa P. BrittSr. VP and Chief HR Officer
Grant/Award
5,139$513.685,139(D)

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Feb 25, 2026Feb 27 10:01 PMThomas B Shropshire Jr.SVP and General Counsel
Grant/Award
4,281$513.684,281(D)

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Feb 25, 2026Feb 27 9:58 PMMichael D ShaferExecutive Vice President
Grant/Award
13,698$513.6813,698(D)

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Feb 25, 2026Feb 27 9:56 PMJoseph R. HolmesVP & Chief Accounting Officer
Grant/Award
985$513.68985(D)

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Feb 25, 2026Feb 27 9:53 PMGianluca PettitiExecutive Vice President
Grant/Award
16,270$513.6816,270(D)

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Feb 25, 2026Feb 27 9:50 PMMarc N CasperDirector, Chairman & CEO
Grant/Award
32,109$513.6832,109(D)

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