TIM S.A. (NYSE: TIMB) schedules 2026 annual shareholders’ meeting for March 26

Rhea-AI Filing Summary

TIM S.A. filed a report as a foreign private issuer to inform investors that its next Annual Shareholders’ Meeting will be held on March 26, 2026. The company notes that more detailed information, including the formal call notice and related documents, will be provided closer to the meeting date. This update is a procedural step that lets shareholders know when corporate matters will be formally presented for their consideration.

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: January 15, 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 ☒

 

TIM S.A.

Publicly-held Company

Corporate Taxpayer’s ID (CNPJ / MF) 02.421.421/0001-11

Corporate Registry (NIRE) 33.300.324.631

NOTICE TO THE SHAREHOLDERS

ANNUAL SHAREHOLDERS’ MEETING

TIM S.A. ("TIM" or "Company") (B3: TIMS3; NYSE: TIMB), pursuant to CVM Resolution No. 81/22, informs to its shareholders and the market in general that its next Annual Shareholders’ Meeting will be held on March 26^th, 2026. Additional information on this Meeting will be disclosed in due course, when the call notice and other related documents are disclosed.

Rio de Janeiro, January 15^th, 2026.

TIM S.A.

Vicente de Moraes Ferreira

Investor Relations Officer

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		TIM S.A.
Date: January 15, 2026		By:	/s/ Alberto Mario Griselli
			Alberto Mario Griselli
			Chief Executive Officer, Chief Financial Officer and Investor Relations Officer

FAQ

When will TIMB (TIM S.A.) hold its next Annual Shareholders’ Meeting?

TIM S.A. states that its next Annual Shareholders’ Meeting will be held on March 26, 2026.

What is the purpose of this TIMB Form 6-K filing?

The filing informs shareholders and the market that TIM S.A. has scheduled its next Annual Shareholders’ Meeting for March 26, 2026, with further documents to be disclosed later.

Will TIMB provide more information about the 2026 Annual Shareholders’ Meeting?

Yes. TIM S.A. explains that additional information, including the call notice and related documents, will be disclosed in due course.

Who signed the TIMB notice about the Annual Shareholders’ Meeting?

The notice is presented by TIM S.A. and identifies Vicente de Moraes Ferreira as Investor Relations Officer, while the Form 6-K signature block is executed by Alberto Mario Griselli, Chief Executive Officer, Chief Financial Officer and Investor Relations Officer.

Does this TIMB Form 6-K include financial results or major transactions?

No. The content focuses on announcing the date of the company’s next Annual Shareholders’ Meeting and the intention to release related documents later.