497 1 acetftavantisetfsai497-032.htm 497 Document

American Century ETF Trust
Statement of Additional Information Supplement

Avantis® U.S. Quality ETF
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Supplement dated March 22, 2025 n Statement of Additional Information dated January 1, 2025

The following replaces the information for Avantis U.S. Quality ETF in the Costs Associated with Creation Transactions table in the Creation and Redemption of Creation Units section on page 40:
FundStandard Creation Transaction Fee
Maximum Additional Charge for Creations1
Avantis U.S. Quality ETF$3003%
1 As a percentage of the NAV per Creation Unit.


The following replaces the information for Avantis U.S. Quality ETF in the Costs Associated with Redemption Transactions table in the Creation and Redemption of Creation Units section on page 42:
FundStandard Redemption Transaction Fee
Maximum Additional Charge for Redemptions1
Avantis U.S. Quality ETF$3002%
1 As a percentage of the NAV per Creation Unit, inclusive of the standard redemption transaction fee.
























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