Company: PBR
Filing Date: 2025-11-05
Form Type: 6-K
Source: 0001292814-25-003791
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-11-05
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 November, 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 favorable decision by the Superior Court of Justice—

Rio de Janeiro, November 5, 2025 –Petróleo Brasileiro S.A. – Petrobras, following up on its March 31, 2022, announcement to the market, announces that
the Superior Court of Justice has decided, by majority vote, to uphold its appeal in the case against Paragon Offshore Nederland B.V.,
a former supplier of oil and gas exploration rigs, overturning the appealed decision and ordering a new trial in the Rio de Janeiro Court
of Justice (TJ-RJ).

The estimated value of the lawsuit is
R$ 2.9 billion, of which R$ 154 million has been provisioned.

Material facts regarding this case will
be disclosed to the market in a timely manner.

www.petrobras.com.br/ri

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

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

Av. Henrique Val