OTHER EVENTS On August 6, 2026, Knight-Swift Transportation Holdings Inc. (the "Company") announced that on August 5, 2026 its board of directors declared a quarterly cash dividend of $0.20 per share of common stock. The dividend is payable to the Company's stockholders of record as of September 4, 2026, and is expected to be paid on September 21, 2026.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On July 22, 2026 , Knight-Swift Transportation Holdings Inc. (the "Company") issued a press release (the "Press Release") announcing its financial results for the quarter ended June 30, 2026. A copy of the Press Release is attached to this Current Report on Form 8-K ("Current Report") as Exhibit 99.1 and is incorporated herein by reference. The information in this Current Report that is furnished under Item 2.02, including the exhibits hereto, sha…

Executive Chairman of the Board of Directors — Kevin Knight: Mr. Kevin Knight retired as Executive Chairman and was succeeded by Mr. David Vander Ploeg.

OTHER EVENTS On May 13, 2026, the Company announced that on May 12, 2026 its board of directors declared a quarterly cash dividend of $0.20 per share of common stock. The dividend is payable to the Company's stockholders of record as of June 8, 2026, and is expected to be paid on June 22, 2026.

CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT The information set forth under

ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT Indenture and Notes On May 8, 2026, Knight-Swift Transportation Holdings Inc. (the "Company") completed its previously announced private offering (the "Offering") of $1.5 billion aggregate principal amount of 1.00% Convertible Senior Notes due 2031 (the "Notes"), including the exercise in full of the initial purchasers' option to purchase up to an additional $200.0 million principal amount of the Notes. The Notes were issued pursuant to an indenture,…

UNREGISTERED SALES OF EQUITY SECURITIES The information set forth under

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On April 22, 2026 , Knight-Swift Transportation Holdings Inc. (the "Company") issued a press release (the "Press Release") announcing its financial results for the quarter ended March 31, 2026. A copy of the Press Release is attached to this Current Report on Form 8-K ("Current Report") as Exhibit 99.1 and is incorporated herein by reference. The information in this Current Report that is furnished under Item 2.02, including the exhibits hereto, s…

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On April 16, 2026, Knight-Swift Transportation Holdings Inc., a Delaware corporation (the "Company"), announced updates to its earnings guidance for the first quarter of 2026 and announced earnings guidance for the second quarter of 2026.

Director — Ms. Amy Boerger: Ms. Amy Boerger will not be standing for reelection at the Company’s 2026 Annual Meeting of Stockholders.

OTHER EVENTS On February 12, 2026, Knight-Swift Transportation Holdings Inc. (the "Company") announced that on February 11, 2026 its board of directors declared a quarterly cash dividend of $0.20 per share of common stock, which is a $0.02 increase from the Company's existing quarterly dividend of $0.18 per share of common stock. The dividend is payable to the Company's stockholders of record as of March 6, 2026, and is expected to be paid on March 23, 2026.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On January 21, 2026 , Knight-Swift Transportation Holdings Inc. (the "Company") issued a press release (the "Press Release") announcing its financial results for the quarter ended December 31, 2025. A copy of the Press Release is attached to this Current Report on Form 8-K ("Current Report") as Exhibit 99.1 and is incorporated herein by reference. The information in this Current Report that is furnished under Item 2.02, including the exhibits here…

TERMINATION OF A MATERIAL DEFINITIVE AGREEMENT Concurrently with entering into the 2025 RPA on the Closing Date, the Company used the proceeds from the 2025 RPA to pay off the remaining outstanding borrowings, including accrued interest and fees, and terminated the A&R RPA.

CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT The information set forth in

ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT On December 31, 2025 ("Closing Date"), Swift Receivables Company II, LLC ("SRCII"), a wholly-owned subsidiary of Knight-Swift Transportation Holdings Inc. (the "Company"), entered into the Receivables Purchase Agreement (the "2025 RPA"). The 2025 RPA replaced the Restated Receivables Purchase Agreement, dated June 14, 2013, and last amended by the Eighth Amendment on October 1, 2025 (the "A&R RPA"). Replacing the A&R RPA, which was treated as a finan…

OTHER EVENTS Appointment of Soumit Roy as General Counsel and Corporate Secretary Pursuant to the previously disclosed retirement of Mr. Todd Carlson, Knight-Swift Transportation Holdings Inc., on December 31, 2025, appointed Mr. Soumit Roy as General Counsel and Corporate Secretary. Mr. Roy’s position is as an executive vice president reporting to CEO Adam Miller. The information in Items 1.01 and 2.03 of this report and the exhibits hereto may contain "forward-looking statements" within the…

The filing describes the approval and granting of standard annual equity awards and salary increases to named executive officers, which is a compensation matter rather than a change in management personnel.

OTHER EVENTS On November 7, 2025, the Company announced that on November 5, 2025 the Board declared a quarterly cash dividend of $0.18 per share of common stock. The dividend is payable to the Company's stockholders of record as of December 5, 2025, and is expected to be paid on December 22, 2025.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On October 22, 2025 , Knight-Swift Transportation Holdings Inc. (the "Company") issued a press release (the "Press Release") announcing its financial results for the quarter ended September 30, 2025. A copy of the Press Release is attached to this Current Report on Form 8-K ("Current Report") as Exhibit 99.1 and is incorporated herein by reference. The information in this Current Report that is furnished under Item 2.02, including the exhibits her…

OTHER EVENTS On August 7, 2025, Knight-Swift Transportation Holdings Inc. (the "Company") announced that on August 6, 2025 its board of directors declared a quarterly cash dividend of $0.18 per share of common stock. The dividend is payable to the Company's stockholders of record as of September 5, 2025, and is expected to be paid on September 22, 2025.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On July 23, 2025 , Knight-Swift Transportation Holdings Inc. (the "Company") issued a press release (the "Press Release") announcing its financial results for the quarter ended June 30, 2025. A copy of the Press Release is attached to this Current Report on Form 8-K ("Current Report") as Exhibit 99.1 and is incorporated herein by reference. The information in this Current Report that is furnished under Item 2.02, including the exhibits hereto, sha…

ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT On July 8, 2025 (the "Closing Date"), Knight-Swift Transportation Holdings Inc. (the "Company") entered into a $2.5 billion unsecured credit facility with the lenders thereto, Bank of America, N.A. as Administrative Agent, Swingline Lender, and Issuing Lender and PNC Capital Markets, LLC and Wells Fargo Bank, National Association as Co-Syndication Agents (the "2025 Debt Agreement"), replacing the Company's previous $2.3 billion unsecured credit facil…

TERMINATION OF A MATERIAL DEFINITIVE AGREEMENT Concurrently with entering into the 2025 Debt Agreement on the Closing Date, the Company paid off and terminated the 2021 Debt Agreement and the 2023 Term Loan. The 2021 Debt Agreement was by and among the Company as the borrower, the lenders party thereto, Bank of America, N.A. as Administrative Agent, Swingline Lender and Issuing Lender, and PNC Bank National Association and Wells Fargo Bank, National Association as Co-Syndication Agents. The 2…

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. Knight-Swift Transportation Holdings Inc. (Registrant) Date: July 21, 2025 /s/ Andrew Hess Andrew Hess Chief Financial Officer

ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT On July 8, 2025 (the "Closing Date"), Knight-Swift Transportation Holdings Inc. (the "Company") entered into a $2.5 billion unsecured credit facility with the lenders thereto, Bank of America, N.A. as Administrative Agent, Swingline Lender, and Issuing Lender and PNC Capital Markets, LLC and Wells Fargo Bank, National Association as Co-Syndication Agents (the "2025 Debt Agreement"), replacing the Company's previous $2.3 billion unsecured credit facil…