Thermo Fisher director gifts 4,386 shares, holds 68,980 post‑trade

Thermo Fisher Scientific director reports stock gift Scott M. Sperling, a director of Thermo Fisher Scientific Inc., reported a transaction in the company’s common stock on December 10, 2025.

Rhea-AI Filing Summary

Thermo Fisher Scientific director reports stock gift

Scott M. Sperling, a director of Thermo Fisher Scientific Inc., reported a transaction in the company’s common stock on December 10, 2025. The filing shows he disposed of 4,386 shares of common stock in a transaction coded "G," indicating a gift, at a reported price of $0 per share. Following this transaction, he beneficially owns 68,980 shares of Thermo Fisher Scientific common stock in direct ownership.

Insider Trade Summary

4,386 shares gifted

Gift 1 txn

Insider SPERLING SCOTT M

Role Director

Type	Security	Shares	Price	Value
Gift	Common Stock	4,386	$0.00	$0.00

Holdings After Transaction: Common Stock — 68,980 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction was reported for Thermo Fisher Scientific (TMO)?

A Form 4 reports that director Scott M. Sperling disposed of 4,386 shares of Thermo Fisher Scientific common stock in a transaction coded as a gift (code G) on December 10, 2025.

How many Thermo Fisher Scientific (TMO) shares does the reporting person own after the transaction?

After the reported gift, Scott M. Sperling beneficially owns 68,980 shares of Thermo Fisher Scientific common stock, held in direct ownership.

What does transaction code G mean in this Thermo Fisher Scientific (TMO) Form 4?

Transaction code G in the Form 4 indicates a bona fide gift of Thermo Fisher Scientific common stock rather than an open-market sale or purchase.

Was there any price reported for the Thermo Fisher Scientific (TMO) stock gift?

The Form 4 lists a transaction price of $0 per share for the 4,386 gifted shares of Thermo Fisher Scientific common stock, consistent with a non-cash gift.

What is the relationship of the reporting person to Thermo Fisher Scientific (TMO)?

The Form 4 identifies the reporting person as a Director of Thermo Fisher Scientific Inc., with the relevant box for director checked.

Was this Thermo Fisher Scientific (TMO) Form 4 filed for one person or a group?

The filing indicates it is a Form filed by One Reporting Person, not a joint or group filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 12/11/2025 - 04:03 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

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^*

SPERLING SCOTT M

(Last) (First) (Middle)

C/O THOMAS H. LEE PARTNERS, L.P.

100 FEDERAL STREET, 36TH FLOOR

(Street)

BOSTON MA 02110

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/10/2025

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	12/10/2025		G		4,386	D	$0	68,980	D

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

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Melodie T. Morin, Attorney-in-Fact for Scott M. Sperling	12/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.