Company: PBR
Filing Date: 2025-12-11
Form Type: 6-K
Source: 0001292814-25-004238
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-12-11
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 December, 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 informs about the form of distribution of remuneration to shareholders related to 3Q25

—

Rio de Janeiro, December 11, 2025 –
Petróleo Brasileiro S.A. – Petrobras, following up on the Material Fact from November 6, 2025, informs that the distribution
of remuneration to shareholders, approved on that date by the Board of Directors, in the amount of R$ 12.16 billion, equivalent to R$
0.94320755 per common and preferred share outstanding, will be paid as follows, according to the decision of the Executive Board on December
10, 2025:

| (i) | the first installment, in the amount of R$ 0.47160378                                                                      
 per common and preferred share outstanding, will be paid on February 20, 2026, entirely in the form of interest on equity. |

| (ii) | the second installment, in the amount of R$ 0.47160377                                                                                   
 per common and preferred share outstanding, will be paid on March 20