iShares US ETF Trust

06/01/2026 | Press release | Distributed by Public on 06/01/2026 14:48

Prospectus by Investment Company (Form 497)

iShares®

iShares U.S. ETF Trust

Supplement dated June 1, 2026

to the currently effective Summary Prospectus, Prospectus, and

Statement of Additional Information ("SAI")

for the iShares Ultra Short Duration Bond Active ETF (ICSH) (the "Fund")

Effective June 1, 2026, Richard Mejzak, is added as a Portfolio Manager for the Fund. Accordingly, effective immediately, the following changes are made:

1. Richard Mejzak is added as a Portfolio Manager to each applicable section of the Fund's Summary Prospectus, Prospectus and SAI.
2. The following is added under the section of the Fund's Prospectus entitled "Management of the Funds - Portfolio Managers":

Richard Mejzak has been a portfolio manager for BFA since 2012. He is a Managing Director of BlackRock, Inc.

3. The following table is added under the section entitled "Investment Advisory, Administrative and Distribution Services - Portfolio Managers" of the Fund's SAI:

Richard Mejzak* (as of May 15, 2026)

Other Accounts Other Accounts with
Performance Fees
Number Total Assets Number Total Assets

Registered Investment Companies

11 $147,015,000,000 0 N/A

Other Pooled Investment Vehicles

17 5,006,000,000 0 N/A

Other Accounts

65 45,962,000,000 0 N/A
* Portfolio Manager for iShares Ultra Short Duration Bond Active ETF only.
4. As of May 1, 2026, Richard Mejzak did not beneficially own shares of the Fund.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares® is a registered trademark of BlackRock Fund Advisors and its affiliates.

IS-SUPP-PM-0626

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iShares US ETF Trust published this content on June 01, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on June 01, 2026 at 20:48 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 If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]