# EDGAR Filing Document

**Accession Number:** 0001826168
**File Stem:** 0001292814-26-002812
**Filing Date:** 2026-5
**Character Count:** 3336
**Document Hash:** 04a8694294c0a1c0f0cf724c9addf9ef
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001292814-26-002812.hdr.sgml**: 20260506

**ACCESSION NUMBER**: 0001292814-26-002812

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260630

**FILED AS OF DATE**: 20260506

**DATE AS OF CHANGE**: 20260505

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TIM S.A.
- **CENTRAL INDEX KEY:** 0001826168
- **STANDARD INDUSTRIAL CLASSIFICATION:** TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** D5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39570
- **FILM NUMBER:** 26945229

**BUSINESS ADDRESS:**
- **STREET 1:** JOAO CABRAL DE MELO NETO AVENUE
- **STREET 2:** 850 - NORTH TOWER - 12TH FLOOR
- **CITY:** RIO DE JANEIRO, RJ
- **STATE:** D5
- **ZIP:** 22775-057
- **BUSINESS PHONE:** (55) 21-4109-4167

**MAIL ADDRESS:**
- **STREET 1:** JOAO CABRAL DE MELO NETO AVENUE
- **STREET 2:** 850 - NORTH TOWER - 12TH FLOOR
- **CITY:** RIO DE JANEIRO, RJ
- **STATE:** D5
- **ZIP:** 22775-057

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION**<br> **WASHINGTON, D.C. 20549**

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**FORM 6-K**

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**REPORT OF FOREIGN PRIVATE ISSUER<br> PURSUANT TO RULE 13a-16 OR 15d-16<br> UNDER THE SECURITIES EXCHANGE ACT OF 1934**

**Date of Report: May 5, 2026**

**Commission File Number: 001-39570**

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**TIM S.A.**<br> **(Exact name of Registrant as specified in its Charter)**

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**João Cabral de Melo Neto Avenue, 850 – North Tower – 12<sup>th</sup> floor<br> 22775-057 Rio de Janeiro, RJ, Brazil**<br> **(Address of principal executive office)**

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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 ☒

![](image_001.jpg)

**TIM S.A.**

Publicly-held company

CNPJ/MF 02.421.421/0001-11

NIRE 33.300.324.631

**NOTICE TO THE MARKET**

**TIM CONFIRMED FOR THE 18TH CONSECUTIVE YEAR IN THE ISE PORTFOLIO**

TIM S.A. ("TIM" or "Company") (B3: TIMS3; NYSE: TIMB) hereby informs its shareholders and the market in general that, for the 18th consecutive year, it is part of the select group of companies that compose the ISE. TIM is the company in the telecommunications sector that has remained in the ISE portfolio for the most consecutive years, reaffirming its commitment to the continuous management of social, environmental and governance aspects, creating value for its shareholders and other stakeholders.

Rio de Janeiro, May 5, 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.

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| | | |
|:---|:---|:---|
|  | TIM S.A. | TIM S.A. |
| Date: May 5, 2026 | By: | /s/ Alberto Mario Griselli |
|  |  | Alberto Mario Griselli |
|  |  | Chief Executive Officer |

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