UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-40486 ATRenew Inc. (Registrant’s Name) 12th Floor, No. 6 Building 433 Songhu Road, Shangha i People’s Republic of China (Address of Principal Executive Offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or ...