TMO files Form 144 to sell 4,000 shares

TMO files a Rule 144 notice reporting a proposed cash sale of 4,000 common shares on 03/05/2026.

Accepted by SEC EDGAR 03/05/2026 - 10:19 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

TMO files a Rule 144 notice reporting a proposed cash sale of 4,000 common shares on 03/05/2026.

The filing lists the securities as options granted on 02/25/2020 and identifies the sale method as cash. The excerpt also shows prior reported sales by Marc N. Casper: 5,000 shares on 03/03/2026 and 5,000 shares on 03/04/2026.

Insights

Equity Compliance Specialist

Routine Rule 144 sale notice for a small lot of shares.

This filing lists a proposed sale of 4,000 common shares on 03/05/2026 under Rule 144, sourced from options granted on 02/25/2020. The sale is described as a cash transaction.

Past transactions shown include two recent dispositions by Marc N. Casper of 5,000 shares on 03/03/2026 and 5,000 shares on 03/04/2026. The filing is procedural; cash‑flow treatment and purchaser details are not provided in the excerpt.

FAQ

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

What does TMO's Form 144 filing report?

The filing reports a proposed cash sale of 4,000 common shares under Rule 144 on 03/05/2026. It notes the shares derive from options granted on 02/25/2020 and lists recent insider sales by Marc N. Casper.

Who is shown as having recently sold TMO shares?

The excerpt lists Marc N. Casper with two sales: 5,000 shares on 03/03/2026 and 5,000 shares on 03/04/2026. These are reported disposition amounts and include dollar values in the excerpt.

What is the sale method and source for the 4,000 shares?

The 4,000 shares are designated for a cash sale and are identified as originating from options granted on 02/25/2020. The filing labels the transaction as an issuer‑related option exercise source.

Does the filing state who will receive proceeds from the sale?

The excerpt specifies the transaction method as cash but does not state which party will receive proceeds. The filing lists the sale details and option grant date; payee or use of proceeds is not provided in the excerpt.

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

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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	0001216055
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	CASPER MARC N
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
Relationship to Issuer	Director

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	4000	2012720.00	371484244	03/05/2026	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	03/05/2026	Options Granted - 02/25/2020	Issuer			4000	03/05/2026	Cash

* 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
Marc N. Casper 168 Third Avenue Waltham MA 02451	Common	03/03/2026	5000	2515493.50
Marc N. Casper 168 Third Avenue Waltham MA 02451	Common	03/04/2026	5000	2562004.50

144: Remarks and Signature

Remarks
Date of Notice	03/05/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/11/2025
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/ Corey Walter, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Marc N. Casper
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)