Thermo Fisher director granted 499 TMO shares

Keith R. Alexandra reported acquisition or exercise transactions in this Form 4 filing.

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Form Type

Rhea-AI Filing Summary

Keith R. Alexandra reported acquisition or exercise transactions in this Form 4 filing.

Thermo Fisher Scientific director Keith R. Alexandra received a stock grant of 499 shares of Common Stock as compensation, not an open-market purchase. The shares were awarded at a stated price of $0.00 per share, increasing his directly held position to 2,602 shares following the transaction.

Insider Trade Summary

Grant/Award: 499 shares

Grant/Award 1 txn

Insider Keith R. Alexandra

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	499	$0.00	$0.00

Holdings After Transaction: Common Stock — 2,602 shares (Direct)

Key Figures

Shares granted: 499 shares Grant price: $0.00 per share Post-transaction holdings: 2,602 shares +1 more

4 metrics

Shares granted 499 shares Common Stock grant on 2026-05-20

Grant price $0.00 per share Stated transaction price for the award

Post-transaction holdings 2,602 shares Directly held Common Stock after grant

Transaction code A Grant, award, or other acquisition of Common Stock

Key Terms

Common Stock, Grant, award, or other acquisition, Form 4, transaction code A

4 terms

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code A regulatory

"transaction_code: "A""

FAQ

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What did Thermo Fisher (TMO) director Keith R. Alexandra report on this Form 4?

Keith R. Alexandra reported receiving a grant of 499 shares of Thermo Fisher Scientific Common Stock. The award was recorded at $0.00 per share and reflects a compensation-related acquisition rather than an open-market purchase, increasing his directly held position disclosed in the filing.

How many Thermo Fisher (TMO) shares did Keith R. Alexandra acquire in this transaction?

Keith R. Alexandra acquired 499 shares of Thermo Fisher Scientific Common Stock in this transaction. The Form 4 describes the event as a grant, award, or other acquisition under code A, indicating it is part of his compensation rather than a market trade.

What is Keith R. Alexandra’s total Thermo Fisher (TMO) holding after the reported grant?

After the reported grant, Keith R. Alexandra directly holds 2,602 shares of Thermo Fisher Scientific Common Stock. This total includes the newly awarded 499 shares and represents his post-transaction ownership as disclosed in the Form 4’s "shares following transaction" field.

Was Keith R. Alexandra’s Thermo Fisher (TMO) stock acquisition an open-market buy?

The acquisition was not an open-market buy. The Form 4 uses transaction code A, described as a grant, award, or other acquisition, with a transaction price of $0.00 per share, indicating a compensation-related stock award instead of a purchase on the open market.

What role does Keith R. Alexandra hold at Thermo Fisher (TMO) in this Form 4?

In this filing, Keith R. Alexandra is identified as a director of Thermo Fisher Scientific. The reported transaction reflects equity compensation tied to his board role, showing a grant of Common Stock that increased his directly owned share position reported in the Form 4.

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

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Accepted by SEC EDGAR 05/22/2026 - 04:10 PM EDT

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^*

Keith R. Alexandra

(Last)

(First)

(Middle)

168 THIRD AVENUE

(Street)

WALTHAM

MASSACHUSETTS

02451

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/20/2026		A		499	A	$0	2,602	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

	/s/ Melodie T. Morin, Attorney-in-Fact for R. Alexandra Keith	05/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR