James Meyer - 01 Mar 2026 Form 3 Insider Report for THERMO FISHER SCIENTIFIC INC. (TMO)

Role: Sr. Vice President & CFO
Signature: /s/ Melodie T. Morin, Attorney-in-Fact for James Meyer
Issuer symbol: TMO
Transactions as of: 01 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 10 Mar 2026, 16:07:46 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Meyer James	Sr. Vice President & CFO	168 THIRD AVENUE, WALTHAM	/s/ Melodie T. Morin, Attorney-in-Fact for James Meyer	10 Mar 2026	0002115686

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	TMO	Common Stock						5,841	01 Mar 2026	Direct
holding	TMO	Common Stock						50	01 Mar 2026	by 401k

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	920	$458.81	Direct	F1
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	223	$635.10	Direct	F2
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	579	$528.58	Direct	F3
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	715	$548.40	Direct	F4
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	1,713	$548.40	Direct	F5
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	424	$552.85	Direct	F6
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	1,929	$552.85	Direct	F7
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	2,777	$530.86	Direct	F8
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	3,598	$430.73	Direct	F9
holding	TMO	Stock Option (Right to Buy)							01 Mar 2026	Common Stock	6,851	$513.68	Direct	F10

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The options vested in four equal installments on February 23, 2022, 2023, 2024, and 2025.
F2	The options vested in four equal installments on November 1, 2022, 2023, 2024, and 2025.
F3	The options vested in four equal installments on February 28, 2023, 2024, 2025, and 2026.
F4	The options vest in four equal annual installments. Three-quarters of the options vested on February 22, 2024, 2025, and 2026, and the remaining one-quarter will vest on February 22, 2027.
F5	The options vest in four equal annual installments. Three-quarters of the options vested on February 28, 2024, 2025, and 2026, and the remaining one-quarter will vest on February 28, 2027.
F6	The options vest in four equal annual installments. Two-quarters of the options vested on February 28, 2025 and 2026, and the remaining two-quarters will vest on February 28, 2027 and 2028.
F7	The options vest in four equal annual installments. Two-quarters of the options vested on February 28, 2025 and 2026, and the remaining two-quarters will vest on February 28, 2027 and 2028.
F8	The options vest in four equal annual installments. One-quarter of the options vested on February 28, 2026, and the remaining three-quarters will vest on February 28, 2027, 2028 and 2029.
F9	The options vest in four equal annual installments on July 10, 2026, 2027, 2028 and 2029.
F10	The options vest in four equal annual installments on February 28, 2027, 2028, 2029 and 2030.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney