SCHEDULE 13G/A 0001126328-21-000077 0000769734 XXXXXXXX LIVE 4 Common Stock, par value $0.50 03/31/2025 0001170010 CARMAX INC 143130102 12800 TUCKAHOE CREEK PARKWAY RICHMOND VA 23238 Rule 13d-1(b) PRINCIPAL GLOBAL INVESTORS DE 0 6221989 0 6221989 6221989 N 4 IA CARMAX INC 12800 TUCKAHOE CREEK PARKWAY RICHMOND, VIRGINIA 23238 PRINCIPAL GLOBAL INVESTORS 711 HIGH STREET DES MOINES, Iowa 50392-0300 PRINCIPAL GLOBAL INVESTORS - DELAWARE N IA 6,221,989 4 PRINCIPAL GLOBAL INVESTORS - 0 PRINCIPAL GLOBAL INVESTORS - 6,221,989 PRINCIPAL GLOBAL INVESTORS - 0 PRINCIPAL GLOBAL INVESTORS - 6,221,989 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. PRINCIPAL GLOBAL INVESTORS /s/ J. Markham Penrod 05/07/2025