CMCSA: 10-Q financial filing

cmcsa-20260930 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2026 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number Exact Name of Registrant; State of Incorporation; Address and Telephone Number of Principal Executive Offices I.R.S. Employer Identification No. 001-32871 COMCAST CORPORATION 27-0000798 Pennsylvania One Comcast Center Philadelphia , PA 19103-2838 ( 215 ) 286-1700 Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Class A Common Stock, $0.01 par value CMCSA The Nasdaq Stock Market LLC 0.250% Notes due 2027 CMCS27 The Nasdaq Stock Market LLC 1.500% Notes due 2029 CMCS29 The Nasdaq Stock Market LLC 0.250% Notes due 2029 CMCS29A The Nasdaq Stock Market LLC 0.750% Notes due 2032 CMCS32 The Nasdaq Stock Market LLC 3.250% Notes due 2032 CMCS32A The Nasdaq Stock Market LLC 1.875% Notes due 2036 CMCS36 The Nasdaq Stock Market LLC 3.550% Notes due 2036 CMCS36A The Nasdaq Stock Market LLC 1.250% Notes due 2040 CMCS40 The Nasdaq Stock Market LLC 5.250% Notes due 2040 CMCS40A The Nasdaq Stock Market LLC 5.50% Notes due 2029 CCGBP29 New York Stock Exchange 2.0% Exchangeable Subordinated Debentures due 2029 CCZ 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 preceding twelve months (or for such shorter period that the registrant was required to file such reports), an