CARMAX AUTO OWNER TRUST 2026-3, as Issuer, and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Indenture Trustee INDENTURE Dated as of July 1, 2026 $297,800,000 3.964% Class A-1 Asset-backed Notes $451,730,000 4.36% Class A-2 Asset-backed Notes...