Thermo Fisher (TMO) director Tyler Jacks receives 499-share stock grant

Rhea-AI Filing Summary

Jacks Tyler reported acquisition or exercise transactions in this Form 4 filing.

THERMO FISHER SCIENTIFIC INC. director Tyler Jacks received a grant of 499 shares of common stock on May 20, 2026. The award was granted at no cash cost per share and increased his directly held position to 9,462 shares. This is a routine compensation-related equity grant rather than an open-market purchase.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Jacks Tyler

Role null

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

Holdings After Transaction: Common Stock — 9,462 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 499 shares Grant price: $0.0000 per share Shares held after grant: 9,462 shares +1 more

4 metrics

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

Grant price $0.0000 per share Stated transaction price for the award

Shares held after grant 9,462 shares Total direct holdings following the transaction

Transaction code A Grant, award, or other acquisition

Key Terms

Common Stock, Grant, award, or other acquisition, Form 4, direct ownership

4 terms

Common Stock financial

"security_title: "Common Stock" for the reported transaction"

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) for Tyler Jacks"

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.

direct ownership financial

"ownership_type is listed as "direct" for the shares"

Form 4 Insider Transactions: What Each Field Means →

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^*

Jacks Tyler

(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	9,462	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 Tyler Jacks	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 SCIENTIFIC (TMO) report for Tyler Jacks?

THERMO FISHER SCIENTIFIC reported that director Tyler Jacks received a grant of 499 shares of common stock. The award was recorded as a compensation-related acquisition rather than an open-market purchase, reflecting additional equity-based ownership.

Was Tyler Jacks’ recent Thermo Fisher (TMO) share transaction a purchase or a grant?

The transaction was a grant, not an open-market purchase. It is coded as an acquisition from a grant or award, with 499 common shares added to Tyler Jacks’ direct holdings at a stated price of $0.0000 per share.

How many Thermo Fisher (TMO) shares does Tyler Jacks hold after this Form 4?

After the reported grant, Tyler Jacks directly holds 9,462 shares of Thermo Fisher common stock. This figure reflects his position immediately following the 499-share award reported in the Form 4 insider filing data.

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

The transaction code "A" indicates a grant, award, or other acquisition of shares. In this filing, it reflects that Tyler Jacks received 499 Thermo Fisher common shares as an equity award, rather than buying them in the open market.

Is the Tyler Jacks Thermo Fisher (TMO) share grant a direct or indirect holding?

The 499-share grant is classified as a direct holding. Following the transaction, Tyler Jacks is reported as directly owning 9,462 shares of Thermo Fisher common stock, with no separate indirect ownership structure described in the data.