THERMO FISHER SCIENTIFIC INC. 10-Q

Item 5. Other Information Director and Officer Trading Arrangements During the three months ended June 27, 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, except as provided below: Name and Title Action Plan Type Date of action Scheduled expiration of Rule 10b5-1 trading plan Aggregate number of securities to be purchased or sold Marc N. Casper , Chairman and Chief Executive Officer Modification¹ Rule 10b5-1 4/27/2026 6/9/2027 108,888 Gianluca Pettiti , President and Chief Operating Officer Adoption Rule 10b5-1 6/2/2026 3/10/2027 12,400 ¹ Mr. Casper modified his Rule 10b5-1 trading arrangement, which was originally adopted on November 11, 2025. The aggregate number of shares reported in this table represents the shares authorized for potential sale under the arrangement following the modification. 37 THERMO FISHER SCIENTIFIC INC. Item 6. Exhibits Exhibit Number Description of Exhibit 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. 31.2 Certification of Chief Financial 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. 32.1 Certification of Chief Executive Officer required by Exchange Act Rules 13a-14(b) and 15d-14(b), as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 .** 32.2 Certification of Chief Financial Officer required by Exchange Act Rules 13a-14(b) and 15d-14(b), as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 .** 101.INS XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 101.SCH XBRL Taxonomy Extension Schema Document. 101.CAL XBRL Taxonomy Calculation Linkbase Document. 101.DEF XBRL Taxonomy Definition Linkbase Document. 101.LAB XBRL Taxonomy Label Linkbase Document. 101.PRE XBRL Taxonomy Presentation Linkbase Document. 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). The Registrant agrees, pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, to furnish to the Commission, upon request, a copy of each instrument with respect to long-term debt of the Registrant or its consolidated subsidiaries. _______________________ ** Certification is not deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section. Such certification is not deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act except to the extent that the registrant specifically incorporates it by reference. 38 SIGNATURES 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. Date: July 31, 2026 THERMO FISHER SCIENTIFIC INC. /s/ James R. Meyer James R. Meyer Senior Vice President and Chief Financial Officer /s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Officer 39