X0202 SCHEDULE 13G 0001727336 XXXXXXXX LIVE ETF 02/25/2026 0001710607 AMERICAN CENTURY ETF TRUST 025072372 4500 MAIN STREET KANSAS CITY MO 64111 Rule 13d-1(b) First Command Advisory Services, Inc. b TX 0.00 1762214.00 0.00 0.00 116588078.24 8.4 IA AMERICAN CENTURY ETF TRUST 4500 MAIN STREET, KANSAS CITY, MISSOURI, 64111 First Command Advisory Services, Inc. 1 FIRSTCOMM PLAZA FORT WORTH, TX 76132 US N IA 116,588,078.24 8.37 0 1,762,214 0 0 Y N 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. First Command Advisory Services, Inc. Sheneah Brown 03/23/2026