TIM S.A.

6-K 1 timb20261030_6k5.htm 6-K

**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

Date of Report: October 30, 2026

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 th floor

22775-057 Rio de Janeiro, RJ, Brazil

**(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F☒ Form 40-F☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1).

Yes☐ No☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7).

Yes☐ No☒

Classificado como Uso Interno Participation Manual Extraordinary General Meeting, 2026 November 30, 2026 , at 2:30 pm Location: Avenida João Cabral de Mello Neto, 850 South Tower, 13º floor Barra da Tijuca, in the city and state of Rio de Janeiro TABLE OF CONTENTS 1. Management Message …………………………………………………………………………..……………………3 2. Date, time, schedule and location of the Meeting ....………………………………………………….4 3. Information on the matters to be resolved upon …………………………………………………….…5 4. General Information ……………………………………………………....................................................…6 5. Participation Guidelines ………………………………………………......................................................6 6. Relevant Links ………………………………………………………..............................................................9 1. Management Message Dear Shareholder, TIM S.A. (“Company” or “TIM”) reinforces its commitment to best corporate governance practices, ethics and professional management, and works to provide direct, clear and objective communication to its shareholders and the market in general. The activities of the Company and its management are guided by the principles of transparency, integrity, ethics and corporate responsibility, which govern the conduct of business, relationships with stakeholders and the disclosure of reliable and timely information to the market, in accordance with the guidelines of the Company’s Code of Ethics and Conduct. TIM is the telecommunications company that has been listed for the longest period on B3’s Novo Mercado special segment, recognized as the highest standard of corporate governance. Among the practices adopted by the Company are the exclusive trading of voting common shares, the maintenance of a permanent Fiscal Council and a Statutory