TIM S.A. (NYSE: TIMB) resets 2026 annual shareholders’ meeting date

Rhea-AI Filing Summary

TIM S.A. filed a Form 6-K to inform shareholders that the date of its next Annual Shareholders’ Meeting has been rectified and will now be held on March 31, 2026, as reflected in the Company’s Corporate Events Calendar.

The Company states that additional information about this meeting will be provided later, when the formal call notice and related documents are released.

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 27, 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 of the rectification on the date of its next Annual Shareholders’ Meeting will be held on March 31^st, 2026, as updated in the Company's Corporate Events Calendar. 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 27^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 27, 2026		By:	/s/ Alberto Mario Griselli
			Alberto Mario Griselli
			Chief Executive Officer, Chief Financial Officer and Investor Relations Officer

FAQ

What did TIMB disclose in this Form 6-K filing?

TIM S.A. disclosed a rectification of the date for its next Annual Shareholders’ Meeting. The company stated that the meeting will take place on March 31, 2026, and that detailed information will follow in a formal call notice and related documents.

When will TIMB hold its 2026 Annual Shareholders’ Meeting?

TIM S.A. plans to hold its 2026 Annual Shareholders’ Meeting on March 31, 2026. This corrected date is reflected in the company’s Corporate Events Calendar and was formally communicated to shareholders through this Form 6-K notice.

Will TIMB provide more details about the March 31, 2026 meeting?

Yes. TIM S.A. stated that additional information about the March 31, 2026 Annual Shareholders’ Meeting will be released later, when the official call notice and other related documents are made available to shareholders and the market.

On which exchanges is TIM S.A. listed according to this document?

The document notes that TIM S.A. is listed on B3 under the ticker TIMS3 and on the New York Stock Exchange under the ticker TIMB. This dual listing allows both Brazilian and international investors to trade the company’s shares.

Where is TIM S.A.’s principal executive office located?

TIM S.A.’s principal executive office is located at João Cabral de Melo Neto Avenue, 850, North Tower, 12th floor, 22775-057, Rio de Janeiro, RJ, Brazil. This address is provided as the main corporate headquarters for official and investor communications.

Who signed the TIMB Form 6-K related to the annual meeting date?

The Form 6-K was signed on behalf of TIM S.A. by Alberto Mario Griselli, who is identified as the company’s Chief Executive Officer, Chief Financial Officer, and Investor Relations Officer, confirming the authority behind the disclosed meeting date change.