TMO: 10-Q financial filing

tmo-20260926 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended September 26, 2026 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File Number 1-8002 THERMO FISHER SCIENTIFIC INC. (Exact name of Registrant as specified in its charter) Delaware 04-2209186 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 168 Third Avenue Waltham , Massachusetts 02451 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: ( 781 ) 622-1000 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 (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the prec