Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2026 THERMO FISHER SCIENTIFIC INC. (Exact name of Registrant as specified in its Charter) Delaware 1-8002 04-2209186 (State of incorporation) (Commission File Number) (I.R.S. Employer Identification Number) 168 Third Avenue Waltham , Massachusetts 02451 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: ( 781 ) 622-1000 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions ( see General Instruction A.2. below): ☐       Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐        Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐       Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐       Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $1.00 par value TMO New York Stock Exchange 1.450% Notes due 2027 TMO 27 New York Stock Exchange 1.750% Notes due 2027 TMO 27B New York Stock Exchange Floating Rate Notes due 2027 TMO 27D New York Stock Exchange 0.500% Notes due 2028 TMO 28A New York Stock Exchange 1.375% Notes due 2028 TMO 28 New York Stock Exchange 1.950% Notes due 2029 TMO 29 New York Stock Exchange 0.875% Notes due 2031 TMO 31 New York Stock Exchange 2.375% Notes due 2032 TMO 32 New York Stock Exchange 3.650% Notes due 2034 TMO 34 New York Stock Exchange 3.628% Notes due 2035 TMO 35A New York Stock Exchange 2.875% Notes due 2037 TMO 37 New York Stock Exchange 1.500% Notes due 2039 TMO 39 New York Stock Exchange 1.875% Notes due 2049 TMO 49 New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  ☐    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ☐ Item 5.07    Submission of Matters to a Vote of Security Holders At the Annual Meeting held on May  20, 2026, the shareholders of the Company voted on the following proposals: 1.    The following nominees were elected to the Company’s Board of Directors for a one-year term expiring at the 2027 annual meeting of shareholders. For Against Abstain Marc N. Casper 294,015,478  20,501,640  1,202,257  Nelson J. Chai 293,142,241  21,615,744  961,390  Ruby R. Chandy 312,259,374  2,490,403  969,598  C. Martin Harris 285,543,740  28,753,064  1,422,571  Tyler Jacks 304,372,357  10,373,697  973,321  Jennifer M. Johnson 304,583,443  10,151,215  984,717  R. Alexandra Keith 308,290,311  6,269,824  1,159,240  Karen S. Lynch 308,933,071  5,811,374  974,930  Debora L. Spar 314,426,121  311,821  981,433  Scott M. Sperling 292,218,754  22,524,675  975,946  Dion J. Weisler 281,791,656  32,960,105  967,614  2.    A non-binding, advisory proposal on the compensation of the Company’s named executive officers was not approved. For Against Abstain 99,928,178  214,525,673  1,265,524  3.    The appointment of PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Company for the fiscal year ending December 31, 2026 was ratified. For Against Abstain 296,866,709  36,064,900  999,237  SIGNATURE 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 hereunto duly authorized. THERMO FISHER SCIENTIFIC INC. Date: May 26, 2026 By: /s/ Thomas B. Shropshire Thomas B. Shropshire Senior Vice President and General Counsel