Company: PBR
Filing Date: 2025-11-07
Form Type: 6-K
Source: 0001292814-25-003847
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>

Unaudited Condensed

Consolidated Interim

Financial Statements

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

As of September 30, 2025, with the independent registered public accounting firm review report

INDEX

Petróleo Brasileiro S.A. – Petrobras

| Unaudited Condensed Consolidated Statements of Financial Position              |                                                                                |  3 |
| Unaudited Condensed Consolidated Statements of Income                          |                                                                                |  4 |
| Unaudited Condensed Consolidated Statements of Comprehensive Income            |                                                                                |  5 |
| Unaudited Condensed Consolidated Statements of Cash Flows                      |                                                                                |  6 |
| Unaudited Condensed Consolidated Statements of Changes in Shareholders’ Equity |                                                                                |  7 |
| 1.                                                                             | Basis of preparation                                                           |  8 |
| 2.                                                                             | Material accounting policies                                                   |  8 |
| 3.                                                                             | Cash and cash equivalents and marketable securities                            |  8 |
| 4.