[Form 3] BRASKEM SA Initial Statement of Beneficial Ownership

BRASKEM SA Investments & Projects Officer Friedheim Carlos Adolpho filed an initial ownership report showing existing positions in the company’s preferred securities.

Rhea-AI Filing Summary

BRASKEM SA Investments & Projects Officer Friedheim Carlos Adolpho filed an initial ownership report showing existing positions in the company’s preferred securities. He reports 7,272 Class A Preferred Share Units, each representing a contingent right to receive one Class A Preferred Share, and 3,636 Class A Preferred Shares held directly.

The units vest on September 6, 2026, subject to conditions in the underlying agreement. Each unit will be settled in either Class A Preferred Shares, cash, or a combination, at Braskem’s discretion. The filing records holdings and does not show any recent share purchases or sales.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Friedheim Carlos Adolpho

Role Investments & Projects Officer

Type	Security	Shares	Price	Value
holding	Class A Preferred Share Units	--	--	--
holding	Class A Preferred Shares	--	--	--

Holdings After Transaction: Class A Preferred Share Units — 7,272 contracts (Direct); Class A Preferred Shares — 3,636 shares (Direct)

Footnotes (2)

1. F1. These Class A Preferred Share Units vest on September 06, 2026, subject to certain other conditions set forth in the agreement.
2. F2. Each Class A Preferred Share Unit represents a contingent right to receive one Class A Preferred Share. The units will be settled in either Class A Preferred Shares or cash (or a combination thereof) at the discretion of the Issuer.

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Accepted by SEC EDGAR 03/17/2026 - 01:45 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Friedheim Carlos Adolpho

(Last) (First) (Middle)

RUA LEMOS MONTEIRO,120,FLOOR 24,BUTANTA

(Street)

SAO PAULO D5 05501050

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/16/2026

3. Issuer Name and Ticker or Trading Symbol
BRASKEM SA [ BAK ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Investments & Projects Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Preferred Shares	3,636	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class A Preferred Share Units	(1)	(1)	Class A Preferred Shares	7,272	(2)	D

Explanation of Responses:

1. These Class A Preferred Share Units vest on September 06, 2026, subject to certain other conditions set forth in the agreement.

2. Each Class A Preferred Share Unit represents a contingent right to receive one Class A Preferred Share. The units will be settled in either Class A Preferred Shares or cash (or a combination thereof) at the discretion of the Issuer.

	Carlos Adolpho Friedheim	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.