Telefônica Brasil (VIV) to fully own FiBrasil after R$458.7M stake buy

Rhea-AI Filing Summary

Telefônica Brasil S.A. has agreed to acquire the remaining 24.99% stake in its fiber subsidiary FiBrasil from Telefónica Infra S.L. for R$458,719,774.51, paid in a single installment at signing. After this transaction, the company now owns 100% of FiBrasil’s share capital and will fully consolidate the subsidiary.

The price was supported by a valuation performed by an independent specialized firm, and the share purchase agreement includes customary terms for deals of this type. Management states that the acquisition aligns with the strategy to capture greater operational synergies in its fiber network activities by integrating FiBrasil fully into the group.

Insights

Telecom M&A and strategy analyst

Telefônica Brasil is taking full control of FiBrasil to integrate fiber operations.

Telefônica Brasil is buying the remaining 24.99% of FiBrasil for R$458,719,774.51, moving from joint ownership to full control. This converts FiBrasil into a wholly owned subsidiary, simplifying decision-making around fiber network expansion and operations.

The price was based on a valuation by an independent specialized firm, and documents follow customary terms, which suggests a standard corporate transaction rather than a distressed move. The filing frames the deal as part of a broader strategy to generate operational synergies in fiber, an important infrastructure asset for telecom services.

Once FiBrasil is fully consolidated, financial reporting will reflect 100% of its results within Telefônica Brasil. Future company disclosures may show how integration of FiBrasil contributes to performance in fiber network activities and the overall mix of revenues and margins.

Key Figures

FiBrasil stake acquired: 24.99% of share capital Purchase price: R$458,719,774.51 Post-transaction ownership: 100% of FiBrasil

3 metrics

FiBrasil stake acquired 24.99% of share capital Minority interest bought from Telefónica Infra

Purchase price R$458,719,774.51 Paid in a single installment at signing

Post-transaction ownership 100% of FiBrasil Telefônica Brasil ownership after completion

Key Terms

Share Purchase Agreement, full consolidation, operational synergies, independent specialized firm

4 terms

Share Purchase Agreement financial

"through the execution of a Share Purchase Agreement (“SPA”), for the amount"

A share purchase agreement is a written contract that outlines the terms and conditions for buying and selling shares of a company. It specifies details like the price, number of shares, and any special conditions, ensuring both buyer and seller agree on the transaction. For investors, it provides clarity and legal protection, making sure the purchase is clear and enforceable.

full consolidation financial

"the Company now holds 100% of FiBrasil’s share capital, resulting in the full consolidation"

operational synergies financial

"part of the Company’s strategy to achieve greater operational synergies in its fiber network"

independent specialized firm financial

"valuation conducted by an independent specialized firm engaged by the Company"

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Form 6-K: How Foreign Companies Report to the SEC →

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

For the month of May, 2026

Commission File Number: 001-14475

TELEFÔNICA BRASIL S.A.
(Exact name of registrant as specified in its charter)

TELEFONICA BRAZIL S.A. (Translation of registrant’s name into English)

Av. Eng° Luís Carlos Berrini, 1376 -  28º andar
São Paulo, S.P.
Federative Republic of 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 X 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 X 

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 X 

 

TELEFÔNICA BRASIL S.A.

Publicly Held Company

CNPJ No. 02.558.157/0001-62 - NIRE 35.3.0015881-4

NOTICE TO THE MARKET

TELEFÔNICA BRASIL S.A. (B3: VIVT3; NYSE: VIV) (“Company”) hereby informs its shareholders and the market in general that, on this date, it has acquired all shares issued by Fibrasil Infraestrutura e Fibra Óptica S.A. (“FiBrasil”) held by Telefónica Infra S.L. Unipersonal (“TEF Infra”), corresponding to 24.99% of FiBrasil’s total share capital, through the execution of a Share Purchase Agreement (“SPA”), for the amount of R$458,719,774.51, paid in a single installment on the signing date (“Transaction”). Upon completion of the Transaction, as of this date, the Company now holds 100% of FiBrasil’s share capital, resulting in the full consolidation of the subsidiary.

The acquisition was preceded by a valuation conducted by an independent specialized firm engaged by the Company to determine the value per share, and the Transaction documents contain terms and provisions customary for transactions of this nature.

The Transaction is part of the Company’s strategy to achieve greater operational synergies in its fiber network activities, supporting the full consolidation of FiBrasil within the Company.

São Paulo, May 18, 2026.

Rodrigo Rossi Monari

CFO and Investor Relations Officer

Telefônica Brasil – Investor Relations

Email: ir.br@telefonica.com

https://ri.telefonica.com.br/en/

SIGNATURE

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.

			TELEFÔNICA BRASIL S.A.
Date:	May 18, 2026		By:	/s/ João Pedro Carneiro
				Name:	João Pedro Carneiro
				Title:	Investor Relations Director

FAQ

What acquisition did Telefônica Brasil (VIV) announce regarding FiBrasil?

Telefônica Brasil agreed to acquire the remaining 24.99% of FiBrasil from Telefónica Infra. The deal makes FiBrasil a wholly owned subsidiary and supports the company’s strategy in fiber network activities and infrastructure integration.

How much is Telefônica Brasil paying for the remaining FiBrasil stake?

The company is paying R$458,719,774.51 for the 24.99% FiBrasil stake. The amount is payable in a single installment on the signing date of the Share Purchase Agreement, according to the disclosed terms.

What will Telefônica Brasil’s ownership in FiBrasil be after the transaction?

After the transaction, Telefônica Brasil will hold 100% of FiBrasil’s share capital. This full ownership enables complete control over the fiber subsidiary and allows full consolidation of FiBrasil’s results in Telefônica Brasil’s financial statements.

How was the FiBrasil purchase price determined by Telefônica Brasil (VIV)?

The purchase price was supported by a valuation conducted by an independent specialized firm. This firm was engaged by Telefônica Brasil to determine the value per share of FiBrasil, helping to substantiate the consideration paid in the transaction.

Why is Telefônica Brasil acquiring full control of FiBrasil?

The company states the transaction is part of its strategy to achieve greater operational synergies in fiber network activities. Full consolidation of FiBrasil within Telefônica Brasil should simplify management of fiber infrastructure and align operations with group objectives.