<SEC-DOCUMENT>0001683863-20-013128-index.html : 20200908 <SEC-HEADER>0001683863-20-013128.hdr.sgml : 20200908 <ACCEPTANCE-DATETIME>20200904213213 ACCESSION NUMBER: 0001683863-20-013128 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 61 FILED AS OF DATE: 20200908 DATE AS OF CHANGE: 20200904 EFFECTIVENESS DATE: 20200908 FILER: COMPANY DATA: COMPANY CONFORMED NAME: iShares U.S. ETF Trust CENTRAL INDEX KEY: 0001524513 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 333-179904 FILM NUMBER: 201162831 BUSINESS ADDRESS: STREET 1: 400 HOWARD STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 BUSINESS PHONE: (415) 670-2000 MAIL ADDRESS: STREET 1: 400 HOWARD STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 <SERIES-AND-CLASSES-CONTRACTS-DATA> <EXISTING-SERIES-AND-CLASSES-CONTRACTS> <SERIES> <OWNER-CIK>0001524513 <SERIES-ID>S000037042 <SERIES-NAME>iShares Short Maturity Bond ETF <CLASS-CONTRACT> 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