Braskem (BAK) outlines September 2025 treasury shares and risks in Form 6-K

Rhea-AI Filing Summary

Braskem S.A. furnished a Form 6-K as a foreign private issuer describing its activity in securities and derivatives for September 2025 and the situation of its own shares held in treasury. The company states that the only operations in the period were those identified in the report, prepared under Brazilian Instruction 358/2002 as amended by Instruction 568/2015, and lists its preferred class A shares held in treasury. The filing is signed by the chief financial officer and includes a standard cautionary statement about forward-looking statements, highlighting risks related to a geological event in Alagoas, related legal proceedings, and the effects of COVID-19.

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 October, 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- _____.

In September/25 ( ) ( x ) Securities/Derivatives Securities Characteristics Intermediate Operation Day Quantity Price Volume (R$) INDIVIDUAL FORM SHARES HELD IN TREASURY(Article 11 of CVM Instruction # 358/2002, amended by Article I of CVM Instruction # 568/2015) the only operations with securities and derivatives were those presented below, in compliance with Article 11 - CVM Instruction # 358/2002, amended by Article I of CVM Instruction # 568/2015 no operation with securities and derivatives, in compliance with Article 11 - CVM Instruction # 358/2002, Opening Balance 42.150.391/0001-70 Corporate Taxpayers ID Company’s Name: Braskem S.A. amended by Article I of CVM Instruction # 568/2015, were held. Below are the securities and derivatives held by Braskem S.A. Name: Braskem S.A. 27 Quantity Quantity Qualification: Shares in Treasury Share Class “A” Preferred Share Closing Balance Securities/Derivatives Securities Characteristics Trading in the month 27 Securities/Derivatives Securities Characteristics Share Class “A” Preferred Share

 

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: October 10, 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 does Braskem (BAK) report in its October 2025 Form 6-K?

Braskem’s Form 6-K summarizes its September 2025 activity in securities and derivatives and its preferred class A shares held in treasury. It confirms only the operations listed were carried out, under Brazilian Instruction 358/2002 as amended by Instruction 568/2015, and includes a forward-looking statement disclaimer.

How does Braskem (BAK) describe its treasury shares in this 6-K filing?

The filing states that Braskem lists securities and derivatives it holds, including its preferred class A shares in treasury. It presents opening and closing balances for these holdings in accordance with Article 11 of Instruction 358/2002, as amended by Instruction 568/2015, fulfilling disclosure requirements for treasury positions.

Which period of securities trading does Braskem (BAK) cover in this Form 6-K?

Braskem’s Form 6-K covers securities and derivatives operations for September 2025. The company indicates that the only transactions with these instruments during that month are those shown in the disclosure table, prepared under Brazilian regulatory instructions governing reporting of trading and treasury share positions.

Who signs Braskem’s (BAK) October 2025 Form 6-K and in what capacity?

The Form 6-K is signed on behalf of Braskem S.A. by Felipe Montoro Jens in his role as chief financial officer. His signature indicates he is duly authorized to sign for the company under the Securities Exchange Act requirements applicable to foreign private issuers.

What forward-looking risks does Braskem (BAK) highlight in this 6-K?

Braskem warns that forward-looking statements involve risks related to economic conditions, industry factors, and operating assumptions. It specifically cites uncertainties from a geological event in Alagoas, associated legal proceedings, and impacts from the COVID-19 pandemic on its business, financial condition, and operating results.

Which U.S. annual report form does Braskem (BAK) use according to this filing?

Braskem indicates it files its annual reports on Form 20-F, the standard U.S. Securities and Exchange Commission form for foreign private issuers. The company refers investors to its Form 20-F for the year ended December 31, 2019 and subsequent Exchange Act filings for detailed risk discussions.