Form 4 Tracker
THERMO FISHER SCIENTIFIC INC.
TMO

49 insider filings · Latest: Aug 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
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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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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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
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
82.8417,674.64(D)

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Jun 27, 2026Jun 30 9:20 PMAlexandra R. KeithDirector
Grant/Award
60.911,331.35(D)

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Jun 27, 2026Jun 30 9:19 PMDion J WeislerDirector
Grant/Award
73.12,790.99(D)

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Jun 27, 2026Jun 30 9:17 PMKaren S LynchDirector
Grant/Award
60.91352.4(D)

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Jun 27, 2026Jun 30 9:14 PMJennifer M JohnsonDirector
Grant/Award
60.91722.22(D)

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Mar 28, 2026Mar 31 9:03 PMScott M SperlingDirector
Grant/Award
89.7817,591.8(D)

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Mar 28, 2026Mar 31 9:02 PMAlexandra R. KeithDirector
Grant/Award
66.021,270.44(D)

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Mar 28, 2026Mar 31 9:01 PMKaren S LynchDirector
Grant/Award
66.02291.49(D)

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Mar 28, 2026Mar 31 8:59 PMJennifer M JohnsonDirector
Grant/Award
66.02661.31(D)

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Mar 28, 2026Mar 31 8:58 PMDion J WeislerDirector
Grant/Award
79.222,717.89(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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