1 unchanged sentence
Director and Officer Trading Arrangements
−Removed: 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:
−Removed: 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
−Removed: Frederick Lowery , Executive Vice President
−Removed: Adoption Rule 10b5-1 8/28/2025 2/27/2026 13,825
−Removed: Gianluca Pettiti , Executive Vice President
−Removed: Adoption Rule 10b5-1 9/12/2025 7/28/2026 4,175
−Removed: THERMO FISHER SCIENTIFIC INC.
+Added: During the three months ended March 28, 2026, 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.
Number Description of Exhibit
+Added: 10.1 Extension No.
+Added: 1 to Credit Agreement, dated as of February 4, 2026, among Thermo Fisher Scientific Inc., the lenders party thereto and Bank of America, N.A., as Administrative Agent, to that certain Credit Agreement, dated as of January 7, 2022 .
+Added: 10.2 Form of Thermo Fisher Scientific Inc.’s Restricted Stock Unit Agreement between Thermo Fisher Scientific Inc.
+Added: Casper effective as of February 25, 2026 .*
+Added: 10.3 Form of Thermo Fisher Scientific Inc.’s Performance Restricted Stock Unit Agreement for Executive Officers effective as of February 25, 2026 .*
+Added: 10.4 Form of Thermo Fisher Scientific Inc.’s Performance Restricted Stock Unit Agreement between Thermo Fisher Scientific Inc.
+Added: Casper effective as of February 25, 2026 .*
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.
11 unchanged sentences
_______________________
+Added: * 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: October 31, 2025 THERMO FISHER SCIENTIFIC INC.
−Removed: /s/ Stephen Williamson
−Removed: Stephen Williamson
+Added: May 1, 2026 THERMO FISHER SCIENTIFIC INC.
Senior Vice President and Chief Financial Officer
2 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.