1、UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-K(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934FOR THE FISCAL YEAR ENDED December 31,2023OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 193

2、4FOR THE TRANSITION PERIOD FROM to Commission File NumberRegistrant;State of Incorporation;Address andTelephone NumberI.R.S.Employer Identification No.001-32871COMCAST CORPORATION27-0000798PennsylvaniaOne Comcast CenterPhiladelphia,PA 19103-2838(215)286-1700SECURITIES REGISTERED PURSUANT TO SECTION

3、12(b)OF THE ACT:Title of Each ClassTrading symbol(s)Name of Each Exchange on Which RegisteredClass A Common Stock,$0.01 par valueCMCSA The Nasdaq Stock Market LLC0.000%Notes due 2026CMCS26The Nasdaq Stock Market LLC0.250%Notes due 2027CMCS27The Nasdaq Stock Market LLC1.500%Notes due 2029CMCS29The Na

4、sdaq Stock Market LLC0.250%Notes due 2029CMCS29AThe Nasdaq Stock Market LLC0.750%Notes due 2032CMCS32The Nasdaq Stock Market LLC1.875%Notes due 2036CMCS36The Nasdaq Stock Market LLC1.250%Notes due 2040CMCS40The Nasdaq Stock Market LLC5.50%Notes due 2029CCGBP29New York Stock Exchange2.0%Exchangeable

5、Subordinated Debentures due 2029CCZNew York Stock ExchangeSECURITIES REGISTERED PURSUANT TO SECTION 12(g)OF THE ACT:NONEIndicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No Indicate by check mark if the registrant is not require

6、d to file reports pursuant to Section 13 or Section 15(d)of the Act.Yes No 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 12 months(or for such shorter period that the regist