Thermo Fisher (TMO) EVP Lowery discloses December 2025 option exercises and share sales

Rhea-AI Filing Summary

Thermo Fisher Scientific executive Frederick M. Lowery, an Executive Vice President, reported option exercises and related stock sales in early December 2025. On December 1, 2025, he exercised 6,913 stock options at $253.99 per share and sold 6,913 shares of common stock at $597.68 per share. On December 2, 2025, he exercised an additional 6,912 options at $253.99 and sold 6,912 shares at $581.94 per share. After these transactions, he directly owned 14,367.3724 shares of Thermo Fisher common stock, with additional indirect holdings of 1,175.83 shares through a 401(k) plan and 5.036 shares through a limited liability company. The transactions were carried out under a Rule 10b5-1 trading plan adopted on August 28, 2025.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lowery Frederick M.

(Last) (First) (Middle)

168 THIRD AVENUE

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
THERMO FISHER SCIENTIFIC INC. [ TMO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
12/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/01/2025		M		6,913	A	$253.99	21,280.3724	D
Common Stock	12/01/2025		S(1)		6,913	D	$597.68	14,367.3724	D
Common Stock	12/02/2025		M		6,912	A	$253.99	21,279.3724	D
Common Stock	12/02/2025		S(1)		6,912	D	$581.94	14,367.3724	D
Common Stock								1,175.83(2)	I	by 401K
Common Stock								5.036	I	by Limited Liability Company(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$253.99	12/01/2025		M			6,913	(4)	02/26/2026	Common Stock	6,913	$0	6,912	D
Stock Option (Right to Buy)	$253.99	12/02/2025		M			6,912	(4)	02/26/2026	Common Stock	6,912	$0	0	D

Explanation of Responses:

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 28, 2025.

2. Between August 29, 2025 and December 2, 2025, the reporting person acquired .95 shares of TMO common stock under the TMO 401(k) plan.

3. The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.

4. The options vested in four equal installments on February 26, 2020, 2021, 2022, and 2023.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Melodie T. Morin, Attorney-in-Fact for Frederick M. Lowery	12/03/2025
	** Signature of Reporting Person	Date
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