Company: PBR
Filing Date: 2025-11-07
Form Type: 6-K
Source: 0001292814-25-003845
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-11-07
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>

Interim Financial Information

PETRÓLEO BRASILEIRO S.A. - PETROBRAS

As of September 30, 2025 and report on review of interim financial information

(A free translation of the original in Portuguese)

INDEX

PETROBRAS

| Parent                                                                                                           
 Company Interim Accounting Information / Statement of Financial Position - Assets                                |  3 |
| Parent                                                                                                           
 Company Interim Accounting Information / Statement of Financial Position - Liabilities                           |  4 |
| Parent                                                                                                           
 Company Interim Accounting Information / Statement of Income                                                     |  5 |
| Parent                                                                                                           
 Company Interim Accounting Information / Statement of Comprehensive Income                                       |  6 |
| Parent                                                                                                           
 Company Interim Accounting Information / Statement of Changes in Shareholders’ Equity - 01/01/2025 to 09/30/2025 |  7 |
| Parent                                                                                                           
 Company Interim Accounting Information / Statement of Changes in Shareholders’ Equity - 01/01/2024 to 09/30/2024 |  8 |
| Parent