TIM S.A. (NYSE: TIMB) details controlling 67.39% stake and insider holdings

Rhea-AI Filing Summary

TIM S.A. filed a report detailing director, executive and related-party holdings in its common registered shares, along with activity during the month under CVM Resolution 44/21. The controlling shareholder group is shown with a combined position of 67,386500% of the same share class. Individual managers and directors hold very small fractions of the equity, with representative positions such as 0,012389% of the total shares outstanding. The report also lists specific share quantities for certain roles, including common registered share balances for members of the board and executive management, and notes where there was no activity in the month.

Key Figures

Controlling shareholder stake: 67,386500% Common registered shares referenced: 1.611.969.909 Individual holding example 1: 296.359 +3 more

6 metrics

Controlling shareholder stake 67,386500% Combined position of controlling shareholder group in common registered shares

Common registered shares referenced 1.611.969.909 Quantity of common registered shares of TIM S.A. shown in the consolidated form

Individual holding example 1 296.359 Common registered shares held by one office holder in TIM S.A.

Individual holding example 2 93.453 Common registered shares opening balance for one insider role

Individual holding example 3 58.453 Common registered shares closing balance for one insider role

Small ownership fraction 0,012389% Illustrative tiny percentage holding of common registered shares by an insider or related party

Key Terms

CVM Resolution 44/21, related party transactions, controlling shareholder, common registered shares, +1 more

5 terms

CVM Resolution 44/21 regulatory

"There were the following securities and derivatives operations, in accordance with CVM resolution 44/21"

related party transactions financial

"CONSOLIDATED FORM Director and Related Party Transactions Group and Related Parties"

Transactions between a company and people or entities that have close ties to it—such as executives, board members, major shareholders, family members, or related companies—where the parties are not independent. These deals matter to investors because they can create conflicts of interest or hide favorable terms that distort a company’s true profits and risks; think of it like a business buying or selling to a family member instead of using the open market, which can lead to biased prices or undisclosed obligations.

controlling shareholder financial

"(X) Controlling Shareholder ( ) People connected to the management"

A controlling shareholder is a person or entity that holds enough voting power in a company—often a majority of votes or decisive influence through agreements—to determine its board, strategy and major decisions. For investors this matters because that control shapes corporate direction, risk and who benefits from deals; like a driver steering a car, a controlling shareholder can speed up or block changes, which can affect minority shareholders’ returns and the company’s value.

common registered shares financial

"Security Description Quantity Common Registered 1.611.969.909 Company Name: TIM S.A."

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

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FAQ

What does TIMB’s July 2026 6-K mainly disclose?

It discloses shareholdings and activity of TIM S.A.’s directors, executives, controlling shareholder and related parties in common registered shares, following CVM Resolution 44/21 requirements for monthly reporting.

How much of TIMB’s common shares does the controlling shareholder group hold?

The controlling shareholder group is reported with 67,386500% of TIM S.A.’s common registered shares, indicating a strong concentration of ownership in this group within the same share class.

What total quantity of TIMB common registered shares is referenced in the filing?

The report references 1.611.969.909 common registered shares of TIM S.A. in the consolidated ownership table, providing a baseline quantity against which percentage holdings are presented.

What are typical individual holdings for TIMB’s board and executives?

Individual positions are small relative to total shares, with examples including 296.359 common registered shares for one office holder and balances such as 93.453 and 58.453 shares for others during the reporting period.

Were there securities or derivatives operations reported for TIMB under CVM Resolution 44/21?

Yes. The filing states there were securities and derivatives operations in accordance with CVM Resolution 44/21, and it itemizes monthly activity and resulting closing balances for the relevant insiders.

Does the TIMB 6-K cover related party transactions and ownership percentages?

Yes. It is a consolidated form for director and related party transactions, listing ownership percentages and share quantities for the controlling shareholder, management, and other related parties.

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: July 10, 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. CONSOLIDATED FORM Director and Related Party Transactions Group and Related Parties Security / Derivative Same Type / Class Total Shares 0,012389% 0,012389% Security / Derivative Security Description Deal Price Volume (R$) N/A Security / Derivative Same Type / Class Total Shares 0,012389% 0,012389% Group and Related Parties Security / Derivative Same Type / Class Total Shares 0,003907% 0,003907% Security / Derivative Security Description Deal Price Volume (R$) Shares Common Registered Compensation Plan Security / Derivative Same Type / Class Total Shares 0,002444% 0,002444% Group and Related Parties Security / Derivative Same Type / Class Total Shares 0,000000% 0,000000% Security / Derivative Security Description Deal Price Volume (R$) N/A - Security / Derivative Same Type / Class Total Shares 0,000000% 0,000000% Group and Related Parties Security / Derivative Same Type / Class Total Shares 0,000000% 0,000000% Security / Derivative Security Description Deal Price Volume (R$) N/A - Security / Derivative Same Type / Class Total Shares 0,000000% 0,000000% Group and Related Parties Security / Derivative Same Type / Class Total Shares 67,386500% 67,386500% Security / Derivative Security Description Deal Price Volume (R$) N/A - Security / Derivative Same Type / Class Total Shares 67,386500% 67,386500% Group and Related Parties Security / Derivative Same Type / Class Total Shares 0,000000% 0,000000% Security / Derivative Security Description Deal Price Volume (R$) N/A - Security / Derivative Same Type / Class Total Shares 0,000000% 0,000000% TIM S S.A. CONSOLIDATED FORM Common Registered 0 Activity in the month Intermediary Quantity N/A N/A Closing Balance % Share Security Description Quantity 0 Opening Balance % Share Security Description Quantity Common Registered 0 % Share Opening Balance ( ) Board of Directors ( ) Executive Management ( ) Fiscal Council ( ) Technical or Advisory Bodies ( ) Controlling Shareholder (X) People connected to the management Security Description Quantity Common Registered 1.611.969.909 Company Name: TIM S.A. Activity in the month Intermediary Quantity N/A 0 N/A % Share Security Description Quantity* Common Registered 1.611.969.909 Closing Balance Company Name: TIM S.A. ( ) Board of Directors ( ) Executive Management ( ) Fiscal Council ( ) Technical or Advisory Bodies (X) Controlling Shareholder ( ) People connected to the management Closing Balance % Share Security Description Quantity Common Registered 0 Opening Balance % Share Security Description Quantity Common Registered 0 Activity in the month Intermediary Quantity N/A 0 N/A Company Name: TIM S.A. ( ) Board of Directors ( ) Executive Management ( ) Fiscal Council (X) Technical or Advisory Bodies ( ) Controlling Shareholder ( ) People connected to the management Closing Balance % Share Security Description Quantity Common Registered 0 0 N/A ( ) People connected to the management Opening Balance % Share Security Description Quantity Common Registered 0 Activity in the month Intermediary Quantity N/A Security Description Quantity Common Registered 58.453 Company Name: TIM S.A. ( ) Board of Directors ( ) Executive Management (X) Fiscal Council ( ) Technical or Advisory Bodies ( ) Controlling Shareholder Closing Balance % Share Opening Balance Security Description Quantity Common Registered 93.453 Activity in the month N/A There were the following securities and derivatives operations, in accordance with CVM resolution 44/21 . Company Name: TIM S.A. (X) Board of Directors ( ) Executive Management ( ) Fiscal Council ( ) Technical or Advisory Bodies ( ) Controlling Shareholder ( ) People connected to the management Activity in the month Opening Balance % Share Security Description Quantity Common Registered 296.359 Intermediary Quantity N/A 0 N/A Intermediary Quantity N/A -35.000 Company Name: TIM S.A. ( ) Board of Directors (X) Executive Management ( ) Fiscal Council ( ) Technical or Advisory Bodies ( ) Controlling Shareholder ( ) People connected to the management Closing Balance % Share Security Description Quantity Common Registered 296.359 #Classificado como Uso Interno

 

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: July 10, 2026		By:	/s/ Alberto Mario Griselli
			Alberto Mario Griselli
			Chief Executive Officer