cmcsa-20260423 false 0001166691 0001166691 2026-04-23 2026-04-23 0001166691 us-gaap:CommonClassAMember 2026-04-23 2026-04-23 0001166691 cmcsa:Notes0000PercentDue2026Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes0.250percentDue2027Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes1.500percentDue2029Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes0250PercentDue2029Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes0.750PercentDue2032Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes3.250PercentDue2032Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes1.875percentdue2036Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes3.550PercentDue2036Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes1.250percentdue2040Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes5.250PercentDue2040Member 2026-04-23 2026-04-23 0001166691 cmcsa:Notes5.50PercentDue2029Member 2026-04-23 2026-04-23 0001166691 cmcsa:ExchangeableSubordinatedDebentures2.0PercentDue2029Member 2026-04-23 2026-04-23 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): April 23, 2026 Comcast Corporation (Exact Name of Registrant as Specified in its Charter) Pennsylvania (State or Other Jurisdiction of Incorporation) 001-32871 27-0000798 (Commission File Number) (IRS Employer Identification No.) One Comcast Center Philadelphia, PA 19103-2838 (Address of Principal Executive Offices) (Zip Code) Registrant’s telephone number, including area code: ( 215 ) 286-1700 (Former Name or Former Address, if Changed Since Last Report) 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: ☐ 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 Class A Common Stock, $0.01 par value   CMCSA   The Nasdaq Stock Market LLC 0.000% Notes due 2026 CMCS26 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 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 2.02. Results of Operations and Financial Condition       On April 23, 2026, Comcast Corporation (“Comcast”) issued a press release reporting the results of its operations for the three months ended March 31, 2026. The press release is attached hereto as Exhibit 99.1. Exhibit 99.2 sets forth the reasons Comcast believes that presentation of the non-GAAP financial measures contained in the press release provides useful information to investors regarding Comcast's results of operations and financial condition. To the extent material, Exhibit 99.2 also discloses the additional purposes, if any, for which Comcast's management uses these non-GAAP financial measures. A reconciliation of these non-GAAP financial measures with the most directly comparable GAAP financial measures is included in the press release itself. Comcast does not intend for this Item 2.02 or Exhibit 99.1 or Exhibit 99.2 to be treated as "filed" under the Securities Exchange Act of 1934, as amended, or incorporated by reference into its filings under the Securities Act of 1933, as amended.   Item 9.01. Exhibits Exhibit Number Description 99.1 Comcast Corporation press release dated April 2 3 , 2026. 99.2 Explanation of Non-GAAP and Other Financial Measures. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 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 hereunto duly authorized. COMCAST CORPORATION Date: April 23, 2026 By: /s/ Daniel C. Murdock Daniel C. Murdock Executive Vice President, Chief Accounting Officer and Controller (Principal Accounting Officer)