American Century ETF Trust

07/02/2026 | Press release | Distributed by Public on 07/02/2026 14:00

Prospectus by Investment Company (Form 497)


Statement of Additional Information (SAI) Supplement
American Century ETF Trust
Supplement dated July 3, 2026 n Statement of Additional Information dated January 1, 2026

Joseph Reiland, CFA, Vice President and Senior Portfolio Manager, has announced his plans to retire. As a result, he will no longer serve as a portfolio manager for the funds effective July 31, 2026.

Justin Brown, CFA, Vice President and Portfolio Manager, no longer serves as portfolio manager for the funds effective July 31, 2026.

The following replaces the entries for DJ Cross and Scott Marolf in the Accounts Managed table on pages 24-25 of the SAI:

Accounts Managed
Registered Investment
Companies (e.g., American Century Investments funds and American Century Investments- subadvised funds)
Other Pooled Investment Vehicles (e.g., commingled
trusts and 529 education savings plans)
Other Accounts (e.g., separate accounts and
corporate accounts
including incubation
strategies and
corporate money)
DJ Cross1
Number of Accounts 6 1 4
Assets
$18.3 billion2
$582.0 million $658.7 million
Scott Marolf1
Number of Accounts 6 1 4
Assets
$18.3 billion2
$582.0 million $658.7 million
1 Information provided as of June 26, 2026.
2 Includes $296.7 million in American Century Large Cap Equity ETF and $10.0 million in American Century Large Cap Growth ETF.


The following replaces the entries for DJ Cross and Scott Marolf in the Ownership of Securities table on page 27 of the SAI:

Ownership of Securities
Aggregate Dollar Range of Securities in Fund
American Century Large Cap Equity ETF
DJ Cross1
A
Scott Marolf1
A
American Century Large Cap Growth ETF
DJ Cross1
B
Scott Marolf1
E
Ranges: A - none; B - $1-$10,000; C - $10,001-$50,000; D - $50,001-$100,000; E - $100,001-$500,000; F - $500,001-$1,000,000; G - More than $1,000,000.
1 Information provided as of June 26, 2026.








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CL-SPL-98903 2607

American Century ETF Trust published this content on July 02, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on July 02, 2026 at 20:00 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]