Braskem (NYSE: BAK) discloses R$116.96M gasoline sales to affiliate

Rhea-AI Filing Summary

Braskem S.A. filed a report describing a related-party transaction with Refinaria de Petróleo Riograndense S.A. (RPR), a company jointly controlled by Braskem, Petrobras and Ultrapar Participações. Braskem made spot-based sales of gasoline A to RPR, according to RPR’s demand and Braskem’s availability, totaling R$116.96 million on 09/03/2025.

The price for these gasoline A transactions is negotiated using the prevailing reference price for gasoline A in the Brazilian market. Braskem states that there was no participation by RPR, its partners or its administrators in Braskem’s decision-making process or in the negotiation of the contracts. Management justifies the transaction as compliant with commutative conditions because pricing is based on the market reference, which it believes makes the arrangement fair for both parties.

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 September, 2025

(Commission File No. 1-14862 )

BRASKEM S.A.

(Exact Name as Specified in its Charter)

N/A

(Translation of registrant's name into English)

Rua Eteno, 1561, Polo Petroquimico de Camacari
Camacari, Bahia - CEP 42810-000 Brazil

(Address of principal executive offices)

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 if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(1). _____

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(7). _____

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___

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- _____.

 

NOTICE ON RELATED-PARTY TRANSACTIONS

São Paulo, September 12, 2025 - Braskem S.A. (“Braskem”), in compliance with article 33, XXXII of CVM Resolution 80/2022, hereby informs its shareholders and the market in general of the following transaction between related parties:

Parties	Braskem and Refinaria de Petróleo Riograndense S.A. (“RPR”).
Relationship with the issuer	RPR is a company whose control is shared between Braskem, Petróleo Brasileiro S.A. – Petrobras and Ultrapar Participações S.A.
Purpose	Braskem carries out spot-based sales of gasoline A to RPR, according to RPR's demand and Braskem's availability, which reached R$116.96 million on 09/03/2025.
Key Terms and Conditions	Referring to the sale by Braskem of gasoline A to RPR, carried out in spot mode, according to demand from RPR and the availability of the product by Braskem. The price of the operations is negotiated based on the price reference for gasoline A in the Brazilian market.
Transaction date	09/03/2025
Possible participation of the counterparty, its partners, or managers in the issuer's decision-making process or negotiation of the transaction as representatives of the issue	There was no participation by the counterparty, the counterparty's partners or the counterparty's administrators in Braskem's decision-making process or in the negotiation of the aforementioned contracts.
Detailed justification of the reasons why the issuer's management considers that the transaction has complied with commutative conditions or provides for an appropriate reverse payment	The price is based on the reference price of gasoline A in the Brazilian market, ensuring that the operation is commutative for both parties.

SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: September 12, 2025

	BRASKEM S.A.
	By:	/s/     Felipe Montoro Jens
		Name:	Felipe Montoro Jens
		Title:	Chief Financial Officer

DISCLAIMER ON FORWARD-LOOKING STATEMENTS

This report on Form 6-K may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are statements that are not historical facts, and are based on our management’s current view and estimates of future economic and other circumstances, industry conditions, company performance and financial results, including any potential or projected impact of the geological event in Alagoas and related legal proceedings and of COVID-19 on our business, financial condition and operating results. The words “anticipates,” “believes,” “estimates,” “expects,” “plans” and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the potential outcome of legal and administrative proceedings, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting our financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of our management and are subject to a number of risks and uncertainties, many of which are outside of the our control. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors, including the projected impact of the geological event in Alagoas and related legal proceedings and the unprecedented impact of COVID-19 pandemic on our business, employees, service providers, stockholders, investors and other stakeholders, could cause actual results to differ materially from current expectations. Please refer to our annual report on Form 20-F for the year ended December 31, 2019 filed with the SEC, as well as any subsequent filings made by us pursuant to the Exchange Act, each of which is available on the SEC’s website (www.sec.gov), for a full discussion of the risks and other factors that may impact any forward-looking statements in this presentation.

FAQ

What related-party transaction did Braskem (BAK) report in this Form 6-K?

Braskem reported spot-based sales of gasoline A to Refinaria de Petróleo Riograndense S.A. (RPR), totaling R$116.96 million on 09/03/2025.

Who is the counterparty in Braskem (BAK)’s related-party gasoline transaction?

The counterparty is Refinaria de Petróleo Riograndense S.A. (RPR), whose control is shared by Braskem, Petrobras and Ultrapar Participações S.A..

How is the price determined for Braskem’s gasoline A sales to RPR?

The price is negotiated based on the reference price for gasoline A in the Brazilian market, which Braskem’s management says supports commutative conditions between the parties.

What was the value and date of Braskem’s reported gasoline A sales to RPR?

The spot-based gasoline A sales to RPR reached R$116.96 million on 09/03/2025.

Did RPR or its managers participate in Braskem’s decision-making for this transaction?

No. Braskem states there was no participation by RPR, its partners, or its administrators in Braskem’s decision-making process or in negotiating the contracts.

Why does Braskem’s management consider the transaction with RPR fair?

Management states that using the Brazilian market reference price for gasoline A ensures the transaction is commutative and provides an appropriate balance between the parties.

What regulatory requirement prompted Braskem (BAK) to disclose this transaction?

Braskem furnished this information in compliance with article 33, XXXII of CVM Resolution 80/2022, which requires disclosure of related-party transactions.