TIM S.A.

6-K 1 timb20261030_6k7.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☒

Management Proposal Extraordinary General Meeting, 2026 November 30, 2026 , at 2: 3 0 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 Classificado como Uso Interno Table of Contents Item 1. 2. 3. Call Notice Participation Manual Subject Proposal for the Incorporation of I-Systems Soluções de Infraestrutura S.A. (“I-Systems”) into TIM S.A. (“Company”) Annex I Annex II Annex III Merger, Spin-off, Incorporation and Share Incorporation Transactions pursuant to Annex I of CVM Resolution No. 81 Protocol and Justification for the Incorporation of I-Systems Soluções de Infraestrutura S.A. into TIM S.A. Appraisal Report of I-Systems Soluções de Infraestrutura S.A. Annex IV Information on the Appraisal Firm pursuant to Annex L of CVM Resolution No. 81 Annex V Terms of the Appraisal Firm’s Engagement Proposal Annex VI Minutes of the meetings of the Board of Directors, Fiscal Council and Statutory