[144] Thermo Fisher Scientific, Inc. SEC Filing

Rhea-AI Filing Summary

Thermo Fisher Scientific (TMO) – Form 144 filing. An insider, identified in the filing’s past-sales table as Marc N. Casper, has given notice of intent to sell up to 8,000 common shares through Fidelity Brokerage on the NYSE.

The shares have an aggregate market value of $3.64 million (≈$455 per share). With 377.6 million shares outstanding, the proposed sale equals roughly 0.002 % of the float, signalling an immaterial ownership impact and no dilution.

The insider also reported a recent sale of 10,000 shares on 08-06-2025 for $4.52 million. Form 144 is a pre-trade notice; execution is not guaranteed, and the filer attests to possessing no undisclosed adverse information. The document contains no operational, earnings or strategic updates.

Insights

Securities Analyst

TL;DR: Minor Form 144 notice; 8k-share insider sale worth $3.6 M is immaterial to TMO’s 378 M-share base—neutral impact.

Insider selling can hint at sentiment shifts, but the scale here—0.002 % of outstanding—does not meaningfully affect supply, control or valuation. Marc N. Casper regularly liquidates options and remains a large shareholder. No earnings or guidance changes accompany the filing, and the seller affirms no undisclosed adverse information. Market reaction is typically muted for transactions of this size; I classify the disclosure as routine and not impactful for fundamental analysis.

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

144: 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

Relationship to Issuer

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	8000	3638880.00	377612121	08/07/2025	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	08/07/2025	Option Granted 02/26/2019	Issuer			8000	08/07/2025	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	08/06/2025	10000	4518207.00

144: 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)

FAQ

Why did Thermo Fisher (TMO) file Form 144 on 08-07-2025?

The filing gives advance notice of an insider’s intent to sell 8,000 common shares under SEC Rule 144.

How many TMO shares are proposed to be sold and by whom?

The notice covers 8,000 shares; the past-sales section identifies Marc N. Casper as the insider involved.

What percentage of Thermo Fisher’s outstanding shares does this represent?

8,000 shares vs. 377.6 million outstanding equals roughly 0.002 %.

When and where will the shares be sold?

The approximate sale date is 08-07-2025 on the NYSE via Fidelity Brokerage Services.

Were there recent insider sales disclosed?

Yes, the filing notes a 10,000-share sale on 08-06-2025 generating $4.52 million in gross proceeds.