Thermo Fisher (TMO) director Ruby R. Chandy receives 499-share stock grant

Rhea-AI Filing Summary

THERMO FISHER SCIENTIFIC INC. director Ruby R. Chandy received a grant of 499 shares of Common Stock on May 20, 2026 at no cost as compensation. Following this award, Chandy directly holds 3,463 shares, indicating a routine, non-market acquisition rather than an open-market purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider CHANDY RUBY R

Role null

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

Holdings After Transaction: Common Stock — 3,463 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 499 shares Grant price: $0.00 per share Shares held after: 3,463 shares +1 more

4 metrics

Shares granted 499 shares Common Stock award on May 20, 2026

Grant price $0.00 per share Compensation-related stock grant

Shares held after 3,463 shares Direct holdings following the grant

Transactions by type 1 acquisition, 0 sales Form 4 transaction summary

Key Terms

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

4 terms

Common Stock financial

"received a grant of 499 shares of Common Stock on May 20, 2026"

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.

transaction code "A" regulatory

"transaction code "A" indicates a grant, award, or other acquisition"

Grant, award, or other acquisition regulatory

"transaction code "A" indicates a grant, award, or other acquisition of securities"

Form 4 regulatory

"In this Form 4, transaction code "A" indicates a grant"

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.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 05/22/2026 - 04:02 PM Accepted by SEC EDGAR 05/22/2026 - 04:01 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^*

CHANDY RUBY R

(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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		A		499	A	$0	3,463	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 Ruby R. Chandy	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)

FAQ

What insider transaction did Thermo Fisher (TMO) report for Ruby R. Chandy?

Thermo Fisher reported that director Ruby R. Chandy received a grant of 499 shares of Common Stock on May 20, 2026. This was a compensation-related award, not an open-market trade, and increased her directly held stake in the company.

Was the Thermo Fisher (TMO) transaction a buy or a grant for Ruby R. Chandy?

The transaction was a grant, not a market purchase. Ruby R. Chandy acquired 499 shares of Thermo Fisher Common Stock at a price of $0.00 per share as a compensation award, rather than buying shares in the open market.

How many Thermo Fisher (TMO) shares does Ruby R. Chandy hold after this Form 4?

After the reported grant, Ruby R. Chandy directly holds 3,463 shares of Thermo Fisher Common Stock. This total includes the 499 shares awarded on May 20, 2026, and reflects her direct ownership position following the transaction.

What does the transaction code "A" mean in the Thermo Fisher (TMO) Form 4?

In this Form 4, transaction code "A" indicates a grant, award, or other acquisition of securities. For Ruby R. Chandy, it reflects a compensation-related stock award of 499 Thermo Fisher shares, rather than an open-market purchase or sale.

Did Ruby R. Chandy sell any Thermo Fisher (TMO) shares in this Form 4 filing?

No shares were sold in this filing. The Form 4 shows only an acquisition by grant of 499 Thermo Fisher Common Stock shares, increasing Ruby R. Chandy’s direct holdings to 3,463 shares, with no dispositions or sales reported in the transaction summary.