Form 6-K Filing by TIM S.A.

This report details transactions related to securities and derivatives by TIM S.A. It includes information on the holdings of various parties, including the controlling shareholder and people connected to management. The filing specifies the percentage of shares held and details any activity in the month, such as opening and closing balances. It also notes that there were no securities and derivatives operations in accordance with CVM resolution 44/21 for certain categories. The report is signed by Alberto Mario Griselli, Chief Executive Officer, on October 9, 2026. The company is incorporated in Brazil and files annual reports under Form 20-F.