Form 4 Tracker
THERMO FISHER SCIENTIFIC INC.
TMO

27 insider filings · Latest: Apr 27, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Nov 12, 2025Nov 12 10:06 PMBritt Lisa P.
Proposed Sale
1,058$588.03$622.1K

View →

Nov 10, 2025Nov 10 3:30 PMPettiti Gianluca
Proposed Sale
2,975$580.00$1.7M

View →

Nov 7, 2025Nov 7 10:13 PMBritt Lisa P.
Proposed Sale
10,225$571.62$5.8M

View →

Oct 27, 2025Oct 27 8:17 PMCASPER MARC N
Proposed Sale
7,250$566.10$4.1M

View →

Oct 24, 2025Oct 24 8:10 PMCASPER MARC N
Proposed Sale
17,104$57.34$980.8K

View →

Oct 24, 2025Oct 24 1:41 PMPettiti Gianluca
Proposed Sale
400$574.15$229.7K

View →

Sep 5, 2025Sep 5 7:58 PMCASPER MARC N
Proposed Sale
400$500.50$200.2K

View →

Aug 29, 2025Aug 29 4:47 PMHolmes Joseph R.
Proposed Sale
385$492.63$189.7K

View →

Aug 22, 2025Aug 22 8:37 PMCASPER MARC N
Proposed Sale
10,000$500.96$5.0M

View →

Aug 20, 2025Aug 20 8:24 PMCASPER MARC N
Proposed Sale
295$500.04$147.5K

View →

Aug 19, 2025Aug 19 8:15 PMCASPER MARC N
Proposed Sale
201$500.17$100.5K

View →

Aug 19, 2025Aug 19 2:36 PMBoxer Michael A
Proposed Sale
11,440$495.73$5.7M

View →

Aug 7, 2025Aug 7 4:26 PMCASPER MARC N
Proposed Sale
8,000$454.86$3.6M

View →

Aug 6, 2025Aug 6 8:55 PMCASPER MARC N
Proposed Sale
10,000$451.82$4.5M

View →

Jul 25, 2025Jul 25 4:12 PMPettiti Gianluca
Proposed Sale
400$479.98$192.0K

View →

May 12, 2025May 12 2:33 PMPettiti Gianluca
Proposed Sale
400$411.11$164.4K

View →

Apr 28, 2025Apr 28 1:41 PMPettiti Gianluca
Proposed Sale
300$429.93$129.0K

View →

Mar 10, 2025Mar 10 6:42 PMBoxer Michael A
Proposed Sale
3,776$532.45$2.0M

View →

Mar 5, 2025Mar 5 9:11 PMCASPER MARC N
Proposed Sale
8,000$520.02$4.2M

View →

Mar 4, 2025Mar 4 3:28 PMCASPER MARC N
Proposed Sale
10,000$523.02$5.2M

View →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 28, 2026Mar 31 9:03 PMScott M SperlingDirector
Grant/Award
89.7817,591.8(D)

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →