[6-K] PETROBRAS - PETROLEO BRASILEIRO SA Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Petróleo Brasileiro S.A. – Petrobras reports that its Board of Directors has decided not to exercise its Preemptive Rights and Tag Along Rights in connection with a potential transaction involving the transfer of shares of Braskem S.A. held by NSP Investimentos S.A., a Novonor subsidiary, to Shine I FIDC. The Executive Board is authorized to take the necessary measures to implement this decision, and Petrobras states that any material facts, including when it receives the final terms of the transaction, will be promptly disclosed to the market.

Insights

Equity & Corporate Governance Analyst

Petrobras waives Braskem-related rights in a potential share transfer, keeping options open but without disclosed financial terms.

The decision by Petrobras’ Board not to exercise its Preemptive and Tag Along Rights relates to a potential transfer of Braskem S.A. shares from a Novonor subsidiary to Shine I FIDC. This means Petrobras will not intervene to match or join that specific transaction under the current shareholders’ agreement terms.

The Board also authorized the Executive Board to implement this choice, indicating internal alignment on the approach. However, no transaction values, volumes, or timeline are provided in the excerpt. The company commits to promptly disclose future material facts, including when it receives notification of the final transaction terms.

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 of the

Securities Exchange Act of 1934

For the month of February, 2026

Commission File Number 1-15106

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

(Exact name of registrant as specified in its charter)

Brazilian Petroleum Corporation – PETROBRAS

(Translation of Registrant's name into English)

Avenida Henrique Valadares, 28 – 9th floor 
20231-030 – Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. 

Form 20-F ___X___ Form 40-F _______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _______ No___X____

Petrobras informs about Braskem
—

Rio de Janeiro, February 12, 2026 – Petróleo Brasileiro S.A. - Petrobras, further to the release disclosed on December 15, 2025, informs that, at a meeting held on February 11, 2026, its Board of Directors, considering a potential transaction (“Transaction”) involving the transfer of shares of Braskem S.A. held by NSP Investimentos S.A., a subsidiary of Novonor, to Shine I Fundo de Investimento em Direitos Creditórios de Responsabilidade Limitada (FIDC), approved that Petrobras will not exercise its Preemptive Rights and Tag Along Rights provided for in the current Braskem S.A. Shareholders’ Agreement, considering the current stage of the ongoing negotiations, and authorized the Executive Board, within the assumptions presented, to take the necessary measures to implement this decision.

Material facts related to this matter will be promptly disclosed to the market, including, but not limited to, the moment when Petrobras receives notification containing the final terms of the Transaction.

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

Email: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. Henrique Valadares, 28 – 9th floor – 20231-030 – Rio de Janeiro, RJ.

Tel.: 55 (21) 3224-1510/9947

This document may contain forecasts within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act), and Section 21E of the Securities Trading Act of 1934, as amended (Trading Act) that reflect the expectations of the Company's officers. The terms: "anticipates", "believes", "expects", "predicts", "intends", "plans", "projects", "aims", "should," and similar terms, aim to identify such forecasts, which evidently involve risks or uncertainties, predicted or not by the Company. Therefore, future results of the Company's operations may differ from current expectations, and the reader should not rely solely on the information included herein.

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.

Date: February 12, 2026

PETRÓLEO BRASILEIRO S.A–PETROBRAS

By: /s/ Fernando Sabbi Melgarejo

______________________________

Fernando Sabbi Melgarejo

Chief Financial Officer and Investor Relations Officer

FAQ

What did Petrobras (PBR) announce regarding its rights in Braskem?

Petrobras announced that its Board of Directors decided not to exercise its Preemptive Rights and Tag Along Rights in a potential Braskem share transfer. These rights arise from the current Braskem shareholders’ agreement and could have allowed Petrobras to participate directly in the transaction.

Which Braskem shares are involved in the potential transaction mentioned by Petrobras (PBR)?

The potential transaction involves shares of Braskem S.A. held by NSP Investimentos S.A., a subsidiary of Novonor. These shares may be transferred to Shine I Fundo de Investimento em Direitos Creditórios de Responsabilidade Limitada (FIDC), according to Petrobras’ description of the proposed structure.

Who approved Petrobras’ decision on Braskem preemptive and tag along rights?

Petrobras states that its Board of Directors approved the decision at a meeting on February 11, 2026. The Board also authorized the Executive Board, within previously presented assumptions, to take necessary measures to implement the choice not to exercise those Braskem-related rights.

Will Petrobras receive more information on the final terms of the Braskem transaction?

Petrobras explains it will disclose material facts, including when it receives notification containing the final terms of the Braskem transaction. The company commits to promptly informing the market once such definitive details of the potential share transfer are communicated to it.

Does Petrobras’ communication about Braskem include financial figures or transaction values?

The communication does not specify any prices, volumes, or financial values related to the potential Braskem share transfer. It focuses on Petrobras’ decision regarding contractual rights and indicates that further details will come only when final transaction terms are formally notified.

What future disclosures did Petrobras (PBR) say it will provide about Braskem?

Petrobras indicated it will promptly disclose any material facts related to the Braskem transaction. This includes, but is not limited to, the moment when Petrobras receives a notification containing the final terms of the potential transfer of Braskem shares to Shine I FIDC.