CARMAX AUTO OWNER TRUST 2026-1, as Issuer, and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Indenture Trustee INDENTURE Dated as of January 1, 2026 $317,000,000 3.806% Class A-1 Asset-backed Notes $250,000,000 3.87% Class A-2a Asset-backed Notes...