1 unchanged sentence
Director and Officer Trading Arrangements
−Removed: On April 25, 2025 , Marc Casper , our chairman, president and chief executive officer , terminated the trading plan that he had previously adopted on August 7, 2024.
−Removed: On April 28, 2025 , Mr.
−Removed: Casper adopted a trading plan intended to satisfy the conditions under Rule 10b5-1(c) of the Exchange Act.
−Removed: Casper’s plan is for the exercise of vested stock options and the associated sale of up to 53,250 shares of company common stock, through February 13, 2026 .
−Removed: The foregoing exercises or sales will be made in accordance with the prices and formulas set forth in the plan and such plan terminates on the earlier of the date all the shares under the plan are sold and February 13, 2026.
+Added: During the three months ended September 27, 2025, no director or executive officer of the company adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K, except as provided below:
+Added: Name and Title Action Plan Type Date of adoption of Rule 10b5-1 trading plan Scheduled expiration of Rule 10b5-1 trading plan Aggregate number of securities to be purchased or sold
+Added: Frederick Lowery , Executive Vice President
+Added: Adoption Rule 10b5-1 8/28/2025 2/27/2026 13,825
+Added: Gianluca Pettiti , Executive Vice President
+Added: Adoption Rule 10b5-1 9/12/2025 7/28/2026 4,175
+Added: THERMO FISHER SCIENTIFIC INC.
Number Description of Exhibit
−Removed: 10.1 Performance Restricted Stock Unit Agreement between Thermo Fisher Scientific Inc.
−Removed: Casper effective as of May 21, 2025 (filed as Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed May 22, 2025 [File No.
−Removed: 1-8002] and incorporated in this document by reference).*
31.1 Certification of Chief Executive Officer required by Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
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_______________________
−Removed: * Indicates management contract or compensatory plan, contract or arrangement.
** Certification is not deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.
1 unchanged sentence
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
−Removed: August 1, 2025 THERMO FISHER SCIENTIFIC INC.
+Added: October 31, 2025 THERMO FISHER SCIENTIFIC INC.
/s/ Stephen Williamson
4 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.