Form4insider filings, from the source

Company · CIK 0000097745 · SIC 3829 — Measuring & Controlling Devices, NEC · NYSE

THERMO FISHER SCIENTIFIC INC. · TMO

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $61.6M · 11net −$61.6M
$10k$10k$1M$1M$100M$100MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 31, 2026 SForm 4 →Sep 1, 4:10 pm EDTGianluca PettitiPresident & COO4,133$614.38$2,539,23323,216−15.1%10b5-1
Aug 28, 2026 FForm 4 →Sep 1, 4:11 pm EDTMarc N CasperChairman & CEO, Director1,257$622.18$781,842122,669—
Aug 28, 2026 FForm 4 →Sep 1, 4:11 pm EDTJames MeyerSr. Vice President & CFO270$622.18$168,1635,560—
Aug 28, 2026 FForm 4 →Sep 1, 4:11 pm EDTThomas B Shropshire Jr.SVP and General Counsel49$622.18$30,5026,009—
Aug 28, 2026 FForm 4 →Sep 1, 4:10 pm EDTMichael D ShaferExecutive Vice President790$622.18$491,54820,204—
Aug 28, 2026 FForm 4 →Sep 1, 4:10 pm EDTJoseph R. HolmesVP & Chief Accounting Officer50$622.18$31,0462,916—
Aug 28, 2026 FMForm 4 →Sep 1, 4:10 pm EDTGianluca PettitiPresident & COO4,768$377.46$1,799,61326,949—10b5-1
Aug 28, 2026 FForm 4 →Sep 1, 4:10 pm EDTLisa P. BrittSr. VP and Chief HR Officer394$622.18$244,87114,391—
Aug 24, 2026 SForm 4 →Aug 26, 4:01 pm EDTMarc N CasperChairman & CEO, Director275$627.05$172,439123,925−0.22%10b5-1
Aug 24, 2026 MForm 4 →Aug 26, 4:01 pm EDTMarc N CasperChairman & CEO, Director275$309.63$85,148124,200—10b5-1
Aug 22, 2026 FForm 4 →Aug 24, 4:02 pm EDTJames MeyerSr. Vice President & CFO31$629.27$19,4735,830—
Aug 20, 2026 SForm 4 →Aug 24, 4:02 pm EDTMarc N CasperChairman & CEO, Director20,000$628.09$12,561,823123,925−13.9%10b5-1
Aug 20, 2026 MForm 4 →Aug 24, 4:02 pm EDTMarc N CasperChairman & CEO, Director20,000$309.63$6,192,600133,925—10b5-1
Aug 19, 2026 SForm 4 →Aug 20, 4:02 pm EDTLisa P. BrittSr. VP and Chief HR Officer11,440$613.12$7,014,09314,784−43.6%
Aug 19, 2026 MForm 4 →Aug 20, 4:02 pm EDTLisa P. BrittSr. VP and Chief HR Officer11,440$418.32$4,785,58126,224—
Aug 11, 2026 SForm 4 →Aug 13, 4:01 pm EDTMichael D ShaferExecutive Vice President25,500$600.00$15,300,00020,994−54.8%10b5-1
Aug 11, 2026 MForm 4 →Aug 13, 4:01 pm EDTMichael D ShaferExecutive Vice President25,500$370.58$9,449,83235,294—10b5-1
Aug 7, 2026 SForm 4 →Aug 10, 4:09 pm EDTJoseph R. HolmesVP & Chief Accounting Officer420$584.81$245,6202,966−12.4%
Aug 7, 2026 MForm 4 →Aug 10, 4:09 pm EDTJoseph R. HolmesVP & Chief Accounting Officer420$309.63$130,0453,386—
Aug 7, 2026 SForm 4 →Aug 10, 4:09 pm EDTMarc N CasperChairman & CEO, Director4,883$586.12$2,862,0020−100%10b5-1
Aug 7, 2026 MForm 4 →Aug 10, 4:09 pm EDTMarc N CasperChairman & CEO, Director275$309.63$85,148124,200—10b5-1
Aug 6, 2026 SForm 4 →Aug 7, 5:32 pm EDTLisa P. BrittSr. VP and Chief HR Officer5,850$580.00$3,393,00014,784−28.4%
Aug 6, 2026 MForm 4 →Aug 7, 5:32 pm EDTLisa P. BrittSr. VP and Chief HR Officer5,850$309.63$1,811,33620,634—
Aug 6, 2026 SForm 4 →Aug 7, 5:26 pm EDTMarc N CasperChairman & CEO, Director15,000$574.46$8,616,9674,608−76.5%10b5-1
Aug 6, 2026 MForm 4 →Aug 7, 5:26 pm EDTMarc N CasperChairman & CEO, Director10,000$309.63$3,096,300133,925—10b5-1
Aug 5, 2026 SForm 4 →Aug 7, 5:26 pm EDTMarc N CasperChairman & CEO, Director15,000$575.23$8,628,4349,608−61.0%10b5-1
Aug 5, 2026 MForm 4 →Aug 7, 5:26 pm EDTMarc N CasperChairman & CEO, Director10,000$309.63$3,096,300133,925—10b5-1
Jul 27, 2026 SForm 4 →Jul 28, 4:24 pm EDTGianluca PettitiPresident & COO400$565.00$226,00024,651−1.60%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 31, 2026 MForm 4 →Sep 1, 4:10 pm EDTGianluca PettitiPresident & COO3,733——7,467—10b5-1
Aug 24, 2026 MForm 4 →Aug 26, 4:01 pm EDTMarc N CasperChairman & CEO, Director275——0—10b5-1
Aug 20, 2026 MForm 4 →Aug 24, 4:02 pm EDTMarc N CasperChairman & CEO, Director20,000——275—10b5-1
Aug 19, 2026 MForm 4 →Aug 20, 4:02 pm EDTLisa P. BrittSr. VP and Chief HR Officer11,440——0—
Aug 11, 2026 MForm 4 →Aug 13, 4:01 pm EDTMichael D ShaferExecutive Vice President25,500——0—10b5-1
Aug 7, 2026 MForm 4 →Aug 10, 4:09 pm EDTJoseph R. HolmesVP & Chief Accounting Officer420——140—
Aug 7, 2026 MForm 4 →Aug 10, 4:09 pm EDTMarc N CasperChairman & CEO, Director275——20,275—10b5-1
Aug 6, 2026 MForm 4 →Aug 7, 5:32 pm EDTLisa P. BrittSr. VP and Chief HR Officer5,850——0—
Aug 6, 2026 MForm 4 →Aug 7, 5:26 pm EDTMarc N CasperChairman & CEO, Director10,000——20,550—10b5-1
Aug 5, 2026 MForm 4 →Aug 7, 5:26 pm EDTMarc N CasperChairman & CEO, Director10,000——30,550—10b5-1