Results of Operations

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   October 29, 2025 Date of Report (Date of earliest event reported)    Canadian Pacific Kansas City Limited (Exact name of registrant as specified in its charter)   Canada 001-01342 98-0355078 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 7550 Ogden Dale Road S.E. , Calgary , Alberta Canada T2C 4X9 (Address of principal executive offices) (Zip Code)   (403) 319-7000 Registrant’s telephone number, including area code   Not Applicable (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   Common Shares, without par value, of Canadian Pacific Kansas City Limited CP   New York Stock Exchange Common Shares, without par value, of Canadian Pacific Kansas City Limited CP Toronto Stock Exchange Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company CP40 New York Stock Exchange Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company BC87 London 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.   The following information is furnished pursuant to Item 2.02, “Results of Operations and Financial Condition.” On October 29, 2025, Canadian Pacific Kansas City Limited (“CPKC”) issued a press release setting forth its financial results for its three and nine months ended September 30, 2025. A copy of CPKC’s press release is attached hereto as Exhibit 99.1. CPKC does not intend for this Item 2.02 or Exhibit 99.1 to be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or to be incorporated by reference into filings under the Securities Act of 1933, as amended. ITEM 9.01      Financial Statements and Exhibits. (d) Exhibits Exhibit No. Exhibit Description Exhibit 99.1 Press release issued October 29 , 2025 by Canadian Pacific Kansas City Limited and furnished pursuant to Item 2.02, “Results of Operations and Financial Condition." Exhibit 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.   Dated: October 29, 2025         CANADIAN PACIFIC KANSAS CITY LIMITED           By: /s/ Tyler Robinson     Name: Tyler Robinson     Title: General Counsel and Assistant Corporate Secretary