Braskem (BAK) details December treasury share trades in Form 6-K

Rhea-AI Filing Summary

Braskem S.A. filed a Form 6-K as a foreign private issuer mainly to report its dealings in its own securities during December 2025 under Brazilian securities rules. The company indicates that the only operations with securities and derivatives for the month were those listed in the attached tables, focusing on its Class "A" preferred shares held in treasury and traded during the period, in line with Article 11 of CVM Instruction 358, as amended by Instruction 568.

The report is signed by the Chief Financial Officer, confirming the company’s responsibility for the information. It also includes an extensive forward-looking statement disclaimer, noting that statements about future performance, legal proceedings related to the geological event in Alagoas, and the effects of COVID-19 are subject to various risks and uncertainties and may differ materially from current expectations.

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 January, 2026

(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 Dezember/25 ( ) ( x ) Securities/Derivatives Securities Characteristics Intermediate Operation Day Quantity Price Volume (R$) 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 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.

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: January 8, 2026

	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) disclose in this Form 6-K for January 2026?

The Form 6-K from Braskem S.A. mainly discloses information on its transactions and positions in its own securities and derivatives during December 2025, particularly involving treasury-held Class "A" preferred shares, in accordance with Brazilian CVM disclosure rules.

Which Braskem securities are highlighted in this Form 6-K filing?

The filing highlights Class "A" preferred shares held in treasury and traded during December 2025, referencing them in individual forms prepared under Article 11 of CVM Instruction 358, as amended by Instruction 568.

Why is Braskem (BAK) referencing CVM Instructions 358 and 568 in this report?

Braskem references CVM Instructions 358 and 568 because it is reporting its operations and positions in securities and derivatives as required by those Brazilian regulations, which govern insider trading and disclosure of trades by issuers and related parties.

Who signed Braskem’s January 2026 Form 6-K and in what capacity?

The Form 6-K is signed by Felipe Montoro Jens, who is identified in the document as the company’s Chief Financial Officer, acting on behalf of Braskem S.A.

Does this Braskem (BAK) Form 6-K include forward-looking statements?

Yes. The report includes a forward-looking statements disclaimer, stating that non-historical statements about future performance, legal proceedings related to the geological event in Alagoas, and the impact of COVID-19 are subject to risks and uncertainties and may differ from current expectations.

Does Braskem’s Form 6-K discuss the geological event in Alagoas and COVID-19?

The document mentions the geological event in Alagoas and COVID-19 in the forward-looking statements disclaimer, noting that their potential or projected impact on Braskem’s business, financial condition, and results could cause actual outcomes to differ materially from current expectations.