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
| Security | Shares | Change |
|---|---|---|
| Common Stock | 23.22K | -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)