Thermo Fisher (NYSE: TMO) insider plans 400-share sale from vested stock

Rhea-AI Filing Summary

Thermo Fisher Scientific Inc. is the issuer for a planned sale of 400 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, with an indicated aggregate value of $226,000.00 and a stated date of 07/27/2026. The securities to be sold arise from restricted stock vesting awards dated 02/23/2024 (385 shares) and 02/28/2024 (15 shares), both received from the issuer as compensation. The filing also notes that Gianluca Pettiti sold 400 shares of common stock on 04/27/2026 for an aggregate amount of $185,064.00 during the past three months.

Key Figures

Shares to be sold: 400 shares Aggregate value of proposed sale: $226,000.00 Date associated with proposed sale: 07/27/2026 +4 more

7 metrics

Shares to be sold 400 shares Common stock designated for sale on the NYSE

Aggregate value of proposed sale $226,000.00 Associated with 400 shares of common stock

Date associated with proposed sale 07/27/2026 Stated in the securities information section

Restricted stock vesting 1 385 shares Vested on 02/23/2024 as compensation from issuer

Restricted stock vesting 2 15 shares Vested on 02/28/2024 as compensation from issuer

Past 3 months sale shares 400 shares Sold by Gianluca Pettiti on 04/27/2026

Past 3 months sale value $185,064.00 Aggregate amount for 400 shares sold on 04/27/2026

Key Terms

Restricted Stock Vesting, compensation, Securities Sold During The Past 3 Months, Fidelity Brokerage Services LLC

4 terms

Restricted Stock Vesting financial

"Common | 02/23/2024 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

compensation financial

"385 | 02/23/2024 | Compensation Common | 02/28/2024"

Securities Sold During The Past 3 Months regulatory

"144/A: Securities Sold During The Past 3 Months"

Fidelity Brokerage Services LLC financial

"Common | Fidelity Brokerage Services LLC 900 Salem Street"

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Available on EDGAR 07/28/2026 - 11:58 AM Accepted by SEC EDGAR 07/28/2026 - 11:57 AM Learn about SEC filing dates

FAQ

What does Thermo Fisher (TMO) disclose in this Form 144/A amendment?

The filing indicates a planned sale of 400 shares of Thermo Fisher common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate value of $226,000.00 tied to earlier restricted stock vesting compensation awards.

How many Thermo Fisher (TMO) shares are proposed to be sold and on which market?

The notice covers a proposed sale of 400 shares of Thermo Fisher common stock to be traded on the NYSE. The transaction is routed through Fidelity Brokerage Services LLC with a stated aggregate value of $226,000.00.

What is the value associated with the 400 Thermo Fisher (TMO) shares in this filing?

The 400 Thermo Fisher common shares are listed with an aggregate value of $226,000.00. This amount appears under the securities information section and is associated with the NYSE trading venue and a stated date of 07/27/2026.

What prior Thermo Fisher (TMO) stock sales are reported in the past three months section?

The filing reports that Gianluca Pettiti sold 400 shares of Thermo Fisher common stock on 04/27/2026, receiving an aggregate amount of $185,064.00. This is disclosed in the section covering securities sold during the past three months.

What is the origin of the Thermo Fisher (TMO) shares being sold in this notice?

The 400 shares derive from restricted stock vesting compensation from Thermo Fisher: 385 shares vested on 02/23/2024 and 15 shares on 02/28/2024, both identified as compensation from the issuer.

Who is the broker involved in the planned Thermo Fisher (TMO) share sale?

The broker listed is Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917. It is identified in connection with the 400 Thermo Fisher common shares designated for sale on the NYSE.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144/A

144/A: Filer Information

Filer CIK
Filer CCC
Previous Accession Number Of The Filing
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144/A: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144/A: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	400	226000.00	371621465	07/27/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144/A: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/23/2024	Restricted Stock Vesting	Issuer			385	02/23/2024	Compensation
Common	02/28/2024	Restricted Stock Vesting	Issuer			15	02/28/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144/A: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Gianluca Pettiti 168 Third Avenue Waltham MA 02451	Common	04/27/2026	400	185064.00

144/A: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)