[Form 4] Thermo Fisher Scientific, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Michael D. Shafer, Executive Vice President of Thermo Fisher Scientific, filed a Form 4 disclosing four dispositions of the issuer's common stock on 08/28/2025. Each transaction is reported with Transaction Code F and a per-share price of $489.74. The reported share decreases are 145.051, 162.457, 176.478 and 114.106 shares, leaving a final beneficial ownership of 18,730.8026 shares after the last reported sale. The filing notes inclusion of 49.871 shares acquired under the company employee stock purchase plan on May 15, 2025. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Shafer on 09/02/2025. The document identifies Mr. Shafer as an officer (Executive Vice President) of the issuer.

Insights

Corporate Governance Expert

TL;DR: Officer reported routine share disposals totaling several transactions; filings are compliant and informational.

The Form 4 shows an Executive Vice President reporting four separate dispositions on a single date using Transaction Code F. The filing discloses the post-transaction beneficial ownership levels and a note about shares acquired under the employee stock purchase plan. From a governance standpoint, the disclosure meets Section 16 reporting requirements by identifying the reporting person, relationship to the issuer, transaction dates, codes, and remaining ownership. The signature by an attorney-in-fact is noted and dated.

Securities Analyst

TL;DR: Multiple small disposals at $489.74 per share were reported; this provides transparency but no clear material signal.

The filing lists four disposals (145.051; 162.457; 176.478; 114.106 shares) at a uniform price of $489.74 on 08/28/2025, leaving 18,730.8026 shares beneficially owned. The Form 4 also documents 49.871 shares from the employee purchase plan acquired May 15, 2025. For investors, the filing supplies exact quantities and prices, enhancing transparency around insider activity. The transactions are presented without additional context about purpose, so they should be interpreted strictly as reported disposals.

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^*

Shafer Michael D

(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)
08/28/2025

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	08/28/2025		F		145.051	D	$489.74	19,183.8436(1)	D
Common Stock	08/28/2025		F		162.457	D	$489.74	19,021.3866	D
Common Stock	08/28/2025		F		176.478	D	$489.74	18,844.9086	D
Common Stock	08/28/2025		F		114.106	D	$489.74	18,730.8026	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:

1. Includes 49.871 shares acquired under the Issuer's employees' stock purchase plan on May 15, 2025.

	/s/ Melodie T. Morin, Attorney-in-Fact for Michael D. Shafer	09/02/2025
	** 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.

FAQ

What insider activity did Thermo Fisher (TMO) report by Michael D. Shafer?

The filing reports four dispositions of Thermo Fisher common stock by Michael D. Shafer on 08/28/2025, each shown with Transaction Code F at a per-share price of $489.74.

How many shares did Michael D. Shafer sell in the Form 4 filed for TMO?

The Form 4 lists dispositions of 145.051, 162.457, 176.478 and 114.106 shares on 08/28/2025, with a final beneficial ownership of 18,730.8026 shares.

Does the Form 4 state Michael D. Shafer's role at Thermo Fisher (TMO)?

Yes. The filing identifies Michael D. Shafer as an Executive Vice President of Thermo Fisher Scientific.

Was there any share acquisition disclosed in this Form 4 for TMO?

The explanatory note states the totals include 49.871 shares acquired under the issuer's employee stock purchase plan on May 15, 2025.

When was the Form 4 signed and by whom?

The Form 4 bears the signature of an attorney-in-fact, Melodie T. Morin, on 09/02/2025 on behalf of Michael D. Shafer.