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 O F 1934 Date of Report: November 6, 2023 Commission File Number: 001-39570 TIM S.A. (Exact name of Registrant as specified in its Charter) João Cabral de Melo Neto Avenue, 850 – North Tower – 12 floor 22775-057 Rio de Janeiro, RJ, Brazil (Address of principal executive office) Indicate by check mark whether the registrant files ...