Company: PBR
Filing Date: 2025-08-05
Form Type: 6-K
Source: 0001292814-25-002877
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-08-05
Form: 6-K
Chunk 0
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<div align='center'>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 August, 2025

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____</div>

Petrobras announces divestment of Cherne and Bagre fields

—

Rio de Janeiro, August 4, 2025 –Petróleo Brasileiro S.A. – Petrobras, following up on the disclosures made on April 17, 2024, and April 25, 2024, announces
that it has concluded today the transfer of its entire participation (100%) in the Cherne and Bagre fields, located in shallow waters
in the Campos Basin, to Perenco Petróleo e Gás do Brasil Ltda (“Perenco”).

The Cherne and Bagre fields had their
production halted in March 2020, and their respective production facilities have been mothballed since then. The transfer of these fields
to Perenco includes compensation adjustments to be paid by Petrobras related to the asset’s integrity and brings the prospect of
resuming production by the new operator, offering an alternative to their decommissioning by Petrobras.

Petrobras’ own employees involved
in the operation of these assets will be relocated to other operations within the company.

This disclosure is