Insider offers 400 shares after restricted stock vesting

Gianluca Pettiti submitted a Form 144 notice indicating 400 shares of Common Stock tied to a restricted stock vesting on 02/28/2024 are being offered for sale.

Rhea-AI Filing Summary

Gianluca Pettiti submitted a Form 144 notice indicating 400 shares of Common Stock tied to a restricted stock vesting on 02/28/2024 are being offered for sale. The filing lists a brokerage account at Fidelity Brokerage Services LLC and shows a prior sale of 400 shares on 02/09/2026 for $216,480.00.

Insights

Securities Attorney

Routine Form 144 notice for a post-vesting sale of 400 shares.

The filing documents a proposed sale of 400 shares that were issued on 02/28/2024 as restricted stock vesting. The presence of a broker (Fidelity) and a prior reported sale on 02/09/2026 for $216,480.00 align with typical distribution mechanics under Section 16 resale rules.

Timing and cash‑flow specifics beyond the listed brokerage and the prior sale amount are not provided; subsequent Form 4/Form 5 or sale confirmations would show completion details.

Key Figures

Shares offered: 400 shares Prior sale amount: $216,480.00 Broker-reported amount: $185,064.00 +1 more

4 metrics

Shares offered 400 shares tied to restricted stock vesting on 02/28/2024

Prior sale amount $216,480.00 400 shares sold on 02/09/2026

Broker-reported amount $185,064.00 amount listed with Fidelity Brokerage entry dated 04/27/2026

Broker Fidelity Brokerage Services LLC listed agent for the proposed sale

Key Terms

Form 144, Restricted Stock Vesting, Brokerage

3 terms

Form 144 regulatory

"submitted a Form 144 notice indicating 400 shares"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Common | 02/28/2024 | Restricted Stock Vesting"

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.

Brokerage market

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI"

A brokerage is a firm or online platform that carries out buy and sell orders for stocks, bonds and other investments on behalf of clients, and typically holds accounts, provides market data, trading tools and optional services such as research or margin lending. It matters to investors because the brokerage’s fees, speed of execution, available markets and safety of client assets directly affect investment costs, potential returns and how easily you can act on opportunities—think of it as the vehicle and driver that get your money where it needs to go.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Gianluca Pettiti's Form 144 for TMO report?

It reports a proposed sale of 400 shares of Common Stock. The shares vested as restricted stock on 02/28/2024, the broker listed is Fidelity Brokerage Services LLC, and a prior sale of 400 shares on 02/09/2026 for $216,480.00 is shown.

How many shares are involved and what are the dollar amounts on the Form 144?

The notice covers 400 shares. The filing includes amounts $185,064.00 (listed with the broker entry) and a prior sale amount of $216,480.00 for 400 shares on 02/09/2026 as shown in the form.

When did the restricted shares vest for the reported sale?

The restricted shares vested on 02/28/2024. The filing explicitly labels the holding as "Restricted Stock Vesting" with the vesting date of 02/28/2024, which is the listed basis for the shares being offered.

Which brokerage is handling the proposed sale listed on the Form 144?

Fidelity Brokerage Services LLC is listed. The form shows an account at Fidelity, including an address at 900 Salem Street, Smithfield, RI, associated with the 400-share sale entry and a monetary amount reported alongside the broker.

Does the Form 144 confirm the sale has completed?

No—Form 144 is a notice of a proposed sale, not proof of completion. The filing shows a prior sale on 02/09/2026, but completion of the newly proposed transaction would be confirmed by later filings or transaction records.

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

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Accepted by SEC EDGAR 04/27/2026 - 09:58 AM EDT Learn about SEC filing dates

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

144: Filer Information

Filer CIK	0001844600
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	THERMO FISHER SCIENTIFIC INC.
SEC File Number	001-08002
Address of Issuer	168 THIRD AVENUE WALTHAM MASSACHUSETTS 02451
Phone	7816221000
Name of Person for Whose Account the Securities are To Be Sold	Pettiti Gianluca
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	Officer

144: 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	185064.00	371484244	04/27/2026	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: 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	02/28/2024	Restricted Stock Vesting	Issuer			400	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: 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	02/09/2026	400	216480.00

144: Remarks and Signature

Remarks
Date of Notice	04/27/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/12/2025
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	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Gianluca Pettiti
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)