# EDGAR Filing Document

**Accession Number:** 0001710607
**File Stem:** 0001710607-26-000054
**Filing Date:** 2026-3
**Character Count:** 3418
**Document Hash:** d8039e0d79f115c8153cd53ab538c66c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001710607-26-000054.hdr.sgml**: 20260312

**ACCESSION NUMBER**: 0001710607-26-000054

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 19

**FILED AS OF DATE**: 20260312

**DATE AS OF CHANGE**: 20260312

**EFFECTIVENESS DATE**: 20260312

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN CENTURY ETF TRUST
- **CENTRAL INDEX KEY:** 0001710607

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-221045
- **FILM NUMBER:** 26746763

**BUSINESS ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111
- **BUSINESS PHONE:** (816) 531-5575

**MAIL ADDRESS:**
- **STREET 1:** 4500 MAIN STREET
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64111

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** American Century ETF Trust
- **DATE OF NAME CHANGE:** 20170628

## Series and Classes Contracts Data

### American Century Quality Diversified International ETF (Series ID: S000062301)

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|  |  |  |
|:---|:---|:---|
| Class Name                                             | Ticker Symbol | Class ID   |
| American Century Quality Diversified International ETF | QINT          | C000202058 |

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## Series and Classes Contracts Data

### American Century Quality Diversified International ETF (Series ID: S000062301)

| Class ID   | Class Name                                             | Ticker Symbol   |
|:---|:---|:---|
| C000202058 | American Century Quality Diversified International ETF | QINT            |

?xml version='1.0' encoding='ASCII'? ck0001710607-20260312

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| | |
|:---|:---|
| American Century ETF Trust<br>**Prospectus and Summary Prospectus Supplement**<br>**American Century**<sup>®</sup> **Quality Diversified International ETF** | ![ACI_Horiz_RGB_Black (Cropped).jpg](ck0001710607-20260312_g1.jpg) |
| Supplement dated March 13, 2026 ■ Summary Prospectus and Prospectus dated January 1, 2026 | Supplement dated March 13, 2026 ■ Summary Prospectus and Prospectus dated January 1, 2026 |

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*The following replaces the* Annual Fund Operating Expenses *table in the* Fees and Expenses *section of the summary prospectus and the prospectus:*

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| | |
|:---|:---|
| **Annual Fund Operating Expenses** (expenses that you pay each year as a percentage of the value of your investment) | **Annual Fund Operating Expenses** (expenses that you pay each year as a percentage of the value of your investment) |
| Management Fee | 0.39% |
| Other Expenses | 0.01% |
| Total Annual Fund Operating Expenses | 0.40% |
| Fee Waiver<sup>1</sup> | 0.06% |
| Total Annual Fund Operating Expenses After Waiver | 0.34% |

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<sup>1</sup>*&nbsp;&nbsp;&nbsp;&nbsp;The advisor has agreed to waive 0.06 percentage points of the fund's management fee. The advisor expects this waiver to continue until March 31, 2027, and cannot terminate it prior to such date without the approval of the Board of Trustees.*

*The following replaces the* Example *table in the* Fees and Expenses *section of the summary prospectus and the prospectus:*

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| | | | |
|:---|:---|:---|:---|
| *1 year* | *3 years* | *5 years* | *10 years* |
| $35 | $123 | $219 | $500 |

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©2026 American Century Proprietary Holdings, Inc. All rights reserved.

CL-SPL-98863 2603