4Filing Date: Sep 1, 2026

Thermo Fisher (TMO)

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0000097745-26-000162
Total Value$4.34M
Trades8
Insiders1

Transaction Details

Pettiti Gianluca
President & COO·Direct
Sell · Dispose
Common Stock
Shares-3.73K
Price$614.38
Total Value$2.29M
Shares Owned After23.22K
Transaction DateAug 31, 2026
10b5-1
Footnotes ▸

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026.

Pettiti Gianluca
President & COO·Direct
Exercise · Acquire
Common Stock
Shares+3.73K
Price$309.63
Total Value$1.16M
Shares Owned After26.95K
Transaction DateAug 31, 2026
10b5-1
Pettiti Gianluca
President & COO·Direct
Sell · Dispose
Common Stock
Shares-400
Price$614.38
Total Value$245.8K
Shares Owned After23.22K
Transaction DateAug 31, 2026
10b5-1
Footnotes ▸

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026.

Pettiti Gianluca
President & COO·Direct
Exercise · Dispose
Stock Option (Right to Buy)Derivative
Shares-3.73K
Price$0.00
Total Value$0
Shares Owned After7.47K
Transaction DateAug 31, 2026
Exercise Price$309.63
ExpiresFeb 25, 2027
10b5-1
Footnotes ▸

The option vested in four equal installments on February 25, 2021, 2022, 2023 and 2024.

Pettiti Gianluca
President & COO·Direct
Tax W/H · Dispose
Common Stock
Shares-249
Price$622.18
Total Value$154.9K
Shares Owned After23.89K
Transaction DateAug 28, 2026
10b5-1
Pettiti Gianluca
President & COO·Direct
Tax W/H · Dispose
Common Stock
Shares-212.26
Price$622.18
Total Value$132.1K
Shares Owned After24.44K
Transaction DateAug 28, 2026
10b5-1
Pettiti Gianluca
President & COO·Direct
Tax W/H · Dispose
Common Stock
Shares-303.64
Price$622.18
Total Value$188.9K
Shares Owned After24.13K
Transaction DateAug 28, 2026
10b5-1
Pettiti Gianluca
President & COO·Direct
Tax W/H · Dispose
Common Stock
Shares-269.79
Price$622.18
Total Value$167.9K
Shares Owned After23.62K
Transaction DateAug 28, 2026
10b5-1

Post-Transaction Holdings

Pettiti Gianluca · President & COO
SecuritySharesChange
Common Stock23.22K-1.43K (-5.82%)
Stock Option (Right to Buy)7.47K-3.73K (-33.33%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-28 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: THERMO FISHER SCIENTIFIC INC. (TMO) CIK: 0000097745 --- Reporting Owner --- Name: Pettiti Gianluca CIK: 0001844600 Role: Officer (President & COO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -212.256 | Price: $622.18 Total Value: $132,061.44 Shares Owned After: 24,438.576 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -303.639 | Price: $622.18 Total Value: $188,918.11 Shares Owned After: 24,134.937 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -249.003 | Price: $622.18 Total Value: $154,924.69 Shares Owned After: 23,885.934 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -269.794 | Price: $622.18 Total Value: $167,860.43 Shares Owned After: 23,616.14 | Ownership: D (Direct) [Transaction #5] Security: Common Stock Date: 2026-08-31 | Code: S (Open market sale) Shares: -400 | Price: $614.38 Total Value: $245,752.00 Shares Owned After: 23,216.14 | Ownership: D (Direct) Footnotes: [F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026. [Transaction #6] Security: Common Stock Date: 2026-08-31 | Code: M (Exercise of derivative) Shares: +3,733 | Price: $309.63 Total Value: $1,155,848.79 Shares Owned After: 26,949.14 | Ownership: D (Direct) [Transaction #7] Security: Common Stock Date: 2026-08-31 | Code: S (Open market sale) Shares: -3,733 | Price: $614.38 Total Value: $2,293,480.54 Shares Owned After: 23,216.14 | Ownership: D (Direct) Footnotes: [F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026. --- Derivative Transactions --- [Transaction #1] Security: Stock Option (Right to Buy) Date: 2026-08-31 | Code: M (Exercise of derivative) Shares: -3,733 | Price: $0.00 Exercise Price: $309.63 Exercisable: N/A | Expires: 2027-02-25 Shares Owned After: 7,467 | Ownership: D (Direct) Footnotes: [F2] The option vested in four equal installments on February 25, 2021, 2022, 2023 and 2024. --- Footnotes (Complete Index) --- F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026. F2: The option vested in four equal installments on February 25, 2021, 2022, 2023 and 2024. --- Signature --- /s/ /s/ Melodie T. Morin, Attorney-in-Fact for Gianluca Pettiti (2026-09-01)

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