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 April, 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- _____.
BRASKEM S.A.
C.N.P.J. nº 42.150.391/0001-70
N.I.R.E. 29300006939
Publicly-held company
CALL NOTICE
TO THE EXTRAORDINARY GENERAL MEETING OF BRASKEM
S.A.
TO BE HELD ON MAY 28, 2026
The shareholders of BRASKEM S.A. are
hereby summoned ("Shareholders" and "Company", respectively) to meet in an Extraordinary General Meeting,
exclusively digitally, pursuant to article 5, paragraph 2, item I and article 28, paragraphs 2 and 3, of CVM Resolution No. 81/22 ("CVM
Resolution 81"), to be held on May 28, 2026, at 3 p.m., through the Webex digital platform ("Digital Platform"
and "Meeting", respectively), to, in the context of the shareholding transaction subject to the Material Facts disclosed
on April 20 and 23, 2026, resolve on the following Agenda:
1.
Reformulation of the Bylaws to:
1.1.
Amendment of articles 1, 2, 4, 6, 7, 9, 10, 13, 15,
16, 24, 34, 35, 39, 42, 43, 45, 46, 47, 48, 50, 51 and 52, to improve, clarify and ensure consistent wording, renumbering and adjustments
to cross-references;
1.2.
Amendment of articles 11, 12, 14, 17, 18, 19, 20, 21,
22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 36, 37, 38, 40, 41, 44 and 49, to reflect the provisions of the new Shareholders' Agreement,
pursuant to the Material Fact of April 23, 2026, and the new governance practices and improvements to be implemented, including the extension
of the minimum period for convening and reviewing the list of competencies of the general meeting, the rules related to the composition,
operation and list of competencies of the Board of Directors and the Executive Board, the incorporation into the bylaws of the Finance
and Investment Committee; Strategy, Sustainability and Communication Committee; People and Organization Committee; Safety, Environment
and Health Committee (SMS), which are thus also statutory; in addition to the simplification of the statutory discipline of the Statutory
Compliance and Audit Committee – CAE, as well as to improve the wording and consistency adjustments with other changes;
2.
Due to the changes resolved in the items above, to resolve
on the consolidation of the Company's Bylaws, including renumbering articles and paragraphs as applicable
3.
Once the amendment to the bylaws of the term of office
of the Board of Executive Officers contained in item 1.2 of the agenda is approved, to authorize the Board of Directors of the Company
to anticipate the end of the current term of office of the Executive Board (until 2027) and the beginning of a new term of office of two
(2) years, in order to coincide with the term of office of the Board of Directors started as of the election at the AGM on April 29, 2026;
| 4. | Election of the members of the Company's Board of
Directors; and |
5.
Replacement of effective and alternate members of the
Company's Fiscal Council.
São Paulo, April 27, 2026.
Héctor Nuñez
Chairman of the Board of Directors
General Information:
1. The Management Proposal ("Proposal")
contemplating all the documentation related to the matters included in the Agenda, the remote voting ballot ("Ballot")
and the other documents provided for in CVM Resolution 81 and other information relevant to the exercise of the right to vote at the Meeting,
were made available to the Company's Shareholders on this date, as provided for in CVM Resolution 81, and can be accessed through the
websites of CVM (www.cvm.gov.br), the Company (www.braskem.com.br/ri)
and B3 S.A. – Brasil, Bolsa, Balcão ("B3") (www.b3.com.br).
2. As permitted by the Brazilian Corporation
Law and CVM Resolution 81, the Meeting will be held exclusively digitally, which is why the Shareholder's participation may only be:
(a) via
remote voting ballot ("Ballot"), and the detailed guidelines on the documentation required for remote voting are contained
in the Ballot and in the Manual for Shareholder Participation in the Meeting, which can be accessed on the websites mentioned above; and
(b) via
Digital Platform, in person or by an attorney-in-fact duly appointed pursuant to Article 28, paragraphs 2 and 3 of CVM Resolution
81, in which case the Shareholder may: (i) simply participate in the Meeting, whether or not they have sent the Ballot; or (ii) participate
and vote at the Meeting, noting that, as for the Shareholder who has already sent the Ballot and who, if they wish, votes at the Meeting,
all voting instructions received by means of the Ballot will be disregarded.
3. Documents required for access to
the Digital Platform:
Shareholders who wish to participate in the
Meeting must send an e-mail to braskem-ri@braskem.com, with a request for confirmation of receipt, at least two (2) days in advance of
the date designated for the Meeting, that is, until May 26, 2026, the following documents, whether the shareholder is Brazilian
or foreign:
| (i) | proof issued by the depositary
financial institution of the book-entry shares held by it, demonstrating the ownership of the shares; |
| (ii) | if the Shareholder is (a) an
individual, the Shareholder's identity document; or (b) legal entity, instrument of incorporation, bylaws or articles of association,
minutes of election of the Board of Directors (if any) and minutes of election of the Executive Board that prove the powers of representation; |
| (iii) | if the Shareholder is an investment
fund, the fund's bylaws, together with the information referred to above in relation to its administrator or manager, in accordance with
the rules of representation provided for in the fund's bylaws; |
| (iv) | additionally, in the case of
representation of a Shareholder (individual, legal entity or investment fund) by an attorney-in-fact, (a) the respective power of attorney,
granted in compliance with article 126, paragraph 1, of the Brazilian Corporation Law; and (b) identity document of the attorney-in-fact;
and |
| (v) | in relation to the Shareholders
participating in the fungible custody of registered shares, the statement containing the respective shareholding, issued by the competent
entity. |
Pursuant to article 6, paragraph 3 of CVM Resolution
81, access to the Digital Platform will not be admitted to Shareholders who do not submit the necessary participation documents within
the period provided for herein.
The Company clarifies that it will waive the
need to send the physical copies of the Shareholders' representation documents to the Company's office, as well as the notarization of
the grantor's signature on the power of attorney for the Shareholder's representation, notarization, consularization, apostille and sworn
translation of all the Shareholder's representation documents, and it is sufficient to send a simple copy of the original copies of such
documents to the Company's e-mail indicated above.
The Company does not admit powers of attorney
granted by Shareholders by electronic means (i.e., digitally signed powers of attorney without any digital certification).
4. We hereby inform that the minimum
percentage of participation in the voting capital required to request the adoption of the multiple voting process for the election of
the members of the Board of Directors is 5% (five percent).
5. Detailed information on the rules
and procedures for participation in the Meeting, including guidelines on access to the Digital Platform and for sending the Ballot, are
contained in the Manual for Shareholder Participation in the Meeting, the Company's Management Proposal and other documents available
on the websites of the CVM (www.cvm.gov.br), the Company (www.braskem.com.br/ri) and B3 (www.b3.com.br).
* * *
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: April 29, 2026
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BRASKEM S.A. |
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By: |
/s/ Felipe Montoro Jens |
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Name: |
Felipe Montoro Jens |
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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.