Executive Vice President and Chief Innovation and People Officer — Diane Cafritz: Ms. Cafritz is leaving the Company effective December 31, 2026.

The filing is about the approval of amendments to a stock incentive plan, not a management change.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. On June 15, 2026, CarMax, Inc. (the “Company”) and CarMax Auto Superstores, Inc. (“CASI” or the “Borrower”) entered into a term loan credit agreement (the “Credit Agreement”) with MUFG Bank, Ltd. (“MUFG”), as lender and as administrative agent, and the other lenders party thereto. The Credit Agreement provides for a term loan facility under which the Borrower has borrowed term lo…

above. 99.1 Press release, dated June 17, 2026, issued by CarMax, Inc., entitled “CarMax Reports First Quarter Fiscal 2027 Results.” 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. CARMAX, INC. (Registrant) Dated: June 17, 2026 By: /s/ Enrique N. Mayor-Mora Enrique N.…

Vice President, Controller and Principal Accounting Officer — Jill Livesay: Jill Livesay is retiring, and Enrique N. Mayor-Mora will take over as Principal Accounting Officer.

Director — Shira Goodman, Mitchell Steenrod: Two directors are retiring and not standing for re-election, but a new director is being added to the board.

above. 99.1 Press release, dated April 14, 2026, issued by CarMax, Inc., entitled “CarMax Reports Fourth Quarter and Fiscal Year 2026 Results.” 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. CARMAX, INC. (Registrant) Dated: April 14, 2026 By: /s/ Enrique N. Mayor-Mora…

Director — William C. Cobb, James Kessler: Nomination of new directors for the upcoming annual meeting.

Amended and restated severance agreements were entered into with certain executive officers.

President and CEO — Keith Barr: CarMax appointed Keith Barr as the new President and CEO, marking a significant leadership change.

above. 99.1 Press release, dated December 18, 2025, issued by CarMax, Inc., entitled “CarMax Reports Third Quarter Fiscal Year 2026 Results.” 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. CARMAX, INC. (Registrant) Dated: December 18, 2025 By: /s/ Enrique N. Mayor-Mor…

CEO — William D. Nash: The CEO was terminated by the Board, constituting a sudden loss of the top executive despite the appointment of an interim successor.

Results of Operations and Financial Condition. On November 6, 2025, CarMax, Inc. (the “Company,” "we," "our" or “CarMax”) issued a press release announcing certain preliminary expectations with respect to its third quarter results and the management changes described below. The Company intends to report its third quarter results on December 18, 2025.

above. 99.1 Press release, dated September 25, 2025, issued by CarMax, Inc., entitled “CarMax Reports Second Quarter Fiscal Year 2026 Results.” 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. CARMAX, INC. (Registrant) Dated: September 25, 2025 By: /s/ Enrique N. Mayor-…

above. 99.1 Press release, dated June 20, 2025, issued by CarMax, Inc., entitled “CarMax Reports First Quarter Fiscal Year 2026 Results.” 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. CARMAX, INC. (Registrant) Dated: June 20, 2025 By: /s/ Enrique N. Mayor-Mora Enriqu…

Executive Vice President and Chief Growth and Strategy Officer — James Lyski: The departure of a senior executive (EVP/Chief Growth and Strategy Officer) is a genuine management loss, but the role is not the CEO or CFO, and the departure appears to be an orderly exit with severance benefits rather than a sudden crisis.

above. 99.1 Press release, dated April 10, 2025, issued by CarMax, Inc., entitled “CarMax Reports Fourth Quarter and Fiscal Year 2025 Results.” 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. CARMAX, INC. (Registrant) Dated: April 10, 2025 By: /s/ Enrique N. Mayor-Mora…

Director — Ronald E. Blaylock: The filing discloses a director's decision not to stand for reelection, which is a routine board composition change rather than the loss of a sitting senior executive.

above. 99.1 Press release, dated December 19, 2024, issued by CarMax, Inc., entitled “CarMax Reports Third Quarter Fiscal 2025 Results.” 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. CARMAX, INC. (Registrant) Dated: December 19, 2024 By: /s/ Enrique N. Mayor-Mora Enr…

above. 99.1 Press release, dated September 26, 2024, issued by CarMax, Inc., entitled “CarMax Reports Second Quarter Fiscal 2025 Results.” 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. CARMAX, INC. (Registrant) Dated: September 26, 2024 By: /s/ Enrique N. Mayor-Mora…

above. 99.1 Press release, dated June 21, 2024, issued by CarMax, Inc., entitled “CarMax Reports First Quarter Fiscal 2025 Results.” 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. CARMAX, INC. (Registrant) Dated: June 21, 2024 By: /s/ Enrique N. Mayor-Mora Enrique N.…

above. 99.1 Press release, dated April 11, 2024, issued by CarMax, Inc., entitled “CarMax Reports Fourth Quarter and Fiscal Year 2024 Results.” 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. CARMAX, INC. (Registrant) Dated: April 11, 2024 By: /s/ Enrique N. Mayor-Mora…