# EDGAR Filing Document

**Accession Number:** 0001826168
**File Stem:** 0001292814-26-003480
**Filing Date:** 2026-6
**Character Count:** 3354
**Document Hash:** f9612e65c7265cf662c1735af95e785b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001292814-26-003480.hdr.sgml**: 20260616

**ACCESSION NUMBER**: 0001292814-26-003480

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260630

**FILED AS OF DATE**: 20260616

**DATE AS OF CHANGE**: 20260616

**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:** 261095937

**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: June 16, 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 ☒

![](timb202606166k_001.jpg)

**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 MARKET**

**Fitch has affirmed TIM S.A.'s National Long-Term Rating at 'AAA (bra)'; Outlook Stable.**

TIM S.A. ("TSA" or "Company") (B3: TIMS3; NYSE: TIMB), informs its shareholders, the market in general and other interested parties that, yesterday, the credit rating agency Fitch Ratings ("Fitch") has affirmed to the Company the National Long-Term Rating at 'AAA (bra)', with a Stable Outlook.

The original Fitch's note is available for access <u>here</u>.

Rio de Janeiro, June 16th, 2026.

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| |
|:---|
| &nbsp;&nbsp;**TIM S.A.** |
| &nbsp;&nbsp; Vicente de Moraes Ferreira<br> Investor Relations Officer |

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**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: June 16, 2026 | By: | /s/ Alberto Mario Griselli |
|  |  | Alberto Mario Griselli |
|  |  | Chief Executive Officer |

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