UNITED STATES SECURITIES AND EXCHANGE C OMMISSION 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 2024 Commission File Number: 001-35126 VNET Group, Inc. Guanjie Building, Southeast 1st Floor 10# Jiuxianqiao East Road Chaoyang District Beijing 100016 The People’s Republic of China (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r ...