Braskem details August 2026 management holdings

Braskem S.A. details August 2026 securities positions and limited insider activity under CVM Resolution 44/2021 for Braskem and Petrobras instruments.

Rhea-AI Filing Summary

BRASKEM S.A. (BAK) reports, in a Form 6-K for September 2026, the consolidated information required by Article 11 of CVM Resolution 44/2021 on trading in securities issued by Braskem and by PETROLEO BRASILEIRO S.A. – PETROBRAS by management, controlling shareholders, related persons, fiscal council and technical or advisory bodies during August 2026.

The disclosure lists opening and closing balances and, where applicable, month trading for common shares, Class “A” preferred shares and several debt and receivables certificates, and repeatedly states that no transactions involving securities and derivatives were executed in various categories. The report also includes a standard forward‑looking statements disclaimer signed by the chief financial officer.

Key Figures

Consolidated common share balance: 438,761,574 shares Consolidated Class “A” preferred share balance: 123,055,912 shares Structured Transaction Certificates: 19,557 certificates +4 more

7 metrics

Consolidated common share balance 438,761,574 shares Consolidated form table listing share trading in the month and closing balance for Braskem common shares

Consolidated Class “A” preferred share balance 123,055,912 shares Consolidated form table listing share trading in the month and closing balance for Braskem Class “A” preferred shares

Structured Transaction Certificates 19,557 certificates Braskem securities table showing opening and closing balance of Structured Transaction Certificates

Agribusiness Receivables Certificates 12,702 certificates Braskem securities table listing Agribusiness Receivables Certificates among holdings

Petrobras preferred shares (technical or advisory bodies) 300 shares Table for Petrobras securities indicating 300 preferred shares for technical or advisory bodies with unchanged balance

Petrobras debentures (group and related persons) 5,300 debentures Section listing Petrobras debentures with an indicated quantity of 5,300 under group and related persons

Petrobras preferred shares (group and related persons) 10,000 shares Section for Petrobras preferred shares under group and related persons showing a quantity of 10,000

Key Terms

CVM Resolution #44/2021, Agribusiness Receivables Certificates, Structured Transaction Certificates, Real Estate Receivables Certificates, +1 more

5 terms

CVM Resolution #44/2021 regulatory

"Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021"

Agribusiness Receivables Certificates financial

"Trading in the month Opening Balance Securities Characteristics Class “A” Preferred Share Agribusiness Receivables Certificates"

Structured Transaction Certificates financial

"Structured Transaction Certificates Preferred Share 19.557 12.702 1"

Real Estate Receivables Certificates financial

"Securities Characteristics Debentures Real Estate Receivables Certificates Preferred Share"

forward-looking statements regulatory

"DISCLAIMER ON FORWARD-LOOKING STATEMENTS This report on Form 6-K may contain forward-looking statements"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Braskem S.A. (BAK) disclose in this September 2026 Form 6-K?

The Form 6-K discloses August 2026 information on securities and derivatives of Braskem and Petrobras held by management, controlling shareholders, related persons, fiscal council and technical or advisory bodies, including opening and closing balances and whether transactions occurred under CVM Resolution 44/2021.

Were there significant insider transactions in Braskem (BAK) securities in August 2026?

The report repeatedly states that no transactions involving securities and derivatives were executed for several groups and instruments under Article 11 of CVM Resolution 44/2021. Where balances are shown, they mainly reflect positions rather than extensive trading activity.

Which Braskem (BAK) securities are covered in the August 2026 trading report?

The disclosure covers Braskem common shares, Class “A” preferred shares, and various certificates such as Structured Transaction Certificates and Agribusiness Receivables Certificates, reporting holdings and, where applicable, trading during August 2026 for management and related persons.

How are Petrobras securities reflected in Braskem’s Form 6-K for BAK?

The filing includes positions and activity in certain Petrobras common and preferred shares, as well as debentures and Real Estate Receivables Certificates, held by Braskem-related groups such as fiscal council or technical and advisory bodies, under the same CVM 44/2021 framework.

Does Braskem (BAK) include any financial results or earnings data in this Form 6-K?

No financial results or earnings metrics are presented. The content focuses on securities holdings and trading information for August 2026 and includes a forward-looking statements disclaimer, but not income statement, balance sheet or cash flow figures.

What forward-looking information caveats does Braskem (BAK) highlight in this report?

Braskem notes that forward-looking statements are based on management’s current views and subject to many risks and uncertainties, including economic conditions, industry factors, and the impact of the geological event in Alagoas and COVID-19, which may cause actual results to differ materially.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/11/2026 - 06:04 AM Accepted by SEC EDGAR 09/10/2026 - 07:01 PM Learn about SEC filing dates

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, 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 Aug/26 ( ) ( x ) Group and Related Persons ( x ) Controlling Shareholders ( ) Board of Directors ( ) Management Quantity Securities/Derivatives Securities Characteristics Intermediate Operation Day Quantity Price Volume (R$) Quantity In Aug/26 ( ) ( x ) Group and Related Persons ( ) Controlling Shareholders ( x ) Board of Directors ( ) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 438.761.574 123.055.912 438.761.574 123.055.912 Share Trading in the month Closing Balance Securities Characteristics Quantity Securities/Derivatives Share Securities/Derivatives Share CONSOLIDATED FORM Opening Balance ( ) Technical or Advisory Bodies ( ) Fiscal Council Company’s Name: Braskem S.A. Securities Characteristics Class “A” Preferred Share Common Share Trading in the month Closing Balance Securities Characteristics Securities/Derivatives Share Share Securities/Derivatives Share the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 Share Common Share 1 Share Class “A” Preferred Share 250 ( ) Fiscal Council ( ) Technical or Advisory Bodies Company’s Name: Braskem S.A. Common Share Class “A” Preferred Share Opening Balance Securities Characteristics Quantity Common Share 1 Class “A” Preferred Share 250 In Aug/26 ( ) the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Group and Related Persons ( x ) Controlling Shareholders ( ) Board of Directors ( ) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) In Aug/26 ( ) the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Group and Related Persons ( ) Controlling Shareholders ( ) Board of Directors (x) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 Structured Transaction Certificates Preferred Share 19.557 12.702 1 19.557 12.702 1 23.725 121 23.725 121 Trading in the month Opening Balance Securities Characteristics Class “A” Preferred Share Agribusiness Receivables Certificates Closing Balance Securities Characteristics Class “A” Preferred Share Agribusiness Receivables Certificates Quantity Quantity Securities Characteristics Common Share Preferred Share Structured Transaction Certificates Quantity no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( ) Fiscal Council ( ) Technical or Advisory Bodies Company’s Name: Braskem S.A. ( ) Fiscal Council ( ) Technical or Advisory Bodies Opening Balance Securities Characteristics Quantity Company’s Name: PETROLEO BRASILEIRO S.A. PETROBRAS Common Share Trading in the month Closing Balance Share Share Share Share Derivatives Securities/Derivatives Share Share Derivatives Securities/Derivatives Securities/Derivatives Share Securities/Derivatives Share In Aug/26 ( ) the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Group and Related Persons ( ) Controlling Shareholders ( ) Board of Directors (x ) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) In Aug/26 ( ) the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Group and Related Persons ( ) Controlling Shareholders ( ) Board of Directors ( ) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 813 2.714 203 813 2.714 Share Class “A” Preferred Share 0 Securities Characteristics Quantity Common Share Class “A” Preferred Share Trading in the month Closing Balance Securities Characteristics Quantity Share Common Share 0 0 0 203 Quantity no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 Company’s Name: Braskem S.A. (x) Fiscal Council ( ) Technical or Advisory Bodies Opening Balance Other Securities/Derivatives no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( ) Fiscal Council ( ) Technical or Advisory Bodies Company’s Name: PETROLEO BRASILEIRO S.A. PETROBRAS Securities Characteristics Debentures Real Estate Receivables Certificates Preferred Share Opening Balance Trading in the month Closing Balance Securities Characteristics Debentures Quantity Securities/Derivatives Share Securities/Derivatives Share Securities/Derivatives Debentures Debentures Other Share Real Estate Receivables Certificates Preferred Share Share In Aug/26 ( ) the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Group and Related Persons ( ) Controlling Shareholders ( ) Board of Directors ( ) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) In Aug/26 ( ) the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Group and Related Persons ( ) Controlling Shareholders ( ) Board of Directors ( ) Management Securities/Derivatives Securities Characteristics Intermediate Operation Day Quantity Price Volume (R$) 5.300 5.300 Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 Quantity Share Class “A” Preferred Share Company’s Name: Braskem S.A. ( ) Fiscal Council (x) Technical or Advisory Bodies Opening Balance Securities Characteristics Quantity Class “A” Preferred Share Trading in the month no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 ( x ) Fiscal Council ( ) Technical or Advisory Bodies Securities Characteristics Preferred Share Securities Characteristics Preferred Share Closing Balance Opening Balance Quantity Company’s Name: PETROLEO BRASILEIRO S.A. PETROBRAS Quantity Trading in the month 300 300 Share Closing Balance Securities/Derivatives Securities Characteristics Securities/Derivatives Share Share no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 Securities/Derivatives Securities/Derivatives In Aug/26 ( ) ( x ) Group and Related Persons ( ) Controlling Shareholders ( ) Board of Directors ( ) Management Securities/Derivatives Securities Intermediate Operation Day Quantity Price Volume (R$) 10.000 10.000 Management and Related Persons’ Trading of Securities Issued by the Company Article 11 – CVM Resolution #44/2021 the following transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 no transactions involving securities and derivatives were executed, pursuant to Article 11 - CVM Instruction #44/2021 Securities/Derivatives Securities Characteristics Quantity Share Preferred Share Share Company’s Name: PETROLEO BRASILEIRO S.A. PETROBRAS ( ) Fiscal Council (x) Technical or Advisory Bodies Opening Balance Securities Characteristics Quantity Preferred Share Trading in the month Closing Balance Securities/Derivatives

 

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 10, 2026

	BRASKEM S.A.
	By:	/s/     Carlos Augusto Machado Pereira de Almeida Brandão
		Name:	Carlos Augusto Machado Pereira de Almeida Brandão
		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.