Summary Prospectus and Prospectus Supplement American Century Focused Dynamic Growth ETF Summary Prospectus and Prospectus dated January 1, 2022 Focused Dynamic Growth Fund Summary Prospectus and Prospectus dated December 1, 2021
Supplement dated September 16, 2022

Prabha Ram, Vice President and Portfolio Manager, has announced her plans to leave American Century Investments on September 30, 2022. As a result, she will no longer serve as a portfolio manager for the funds effective September 16, 2022.

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