Braskem (BAK) executive details preferred share units and ADR holdings

Rhea-AI Filing Summary

Braskem SA executive Lanna Lepecki Stefan filed an initial ownership report showing direct stakes in several Braskem securities. She holds 62,640 Class A Preferred Shares and 39,963 American Depositary Receipts. She also has Class A Preferred Share Units covering 34,028, 59,774 and 114,072 underlying Class A Preferred Shares that vest in September 2026, June 2027 and June 2028, respectively. Each unit represents a contingent right to receive one Class A Preferred Share or cash, at Braskem’s discretion.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Lanna Lepecki Stefan

Role Executive Officer&Head of SAM

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

Holdings After Transaction: Class A Preferred Share Units — 34,028 shares (Direct); Class A Preferred Shares — 62,640 shares (Direct); American Depositary Receipt — 39,963 shares (Direct)

Footnotes (1)

1. These Class A Preferred Share Units vest on September 06, 2026, subject to certain other conditions set forth in the agreement. These Class A Preferred Share Units vest on June 05, 2027, subject to certain other conditions set forth in the agreement. These Class A Preferred Share Units vest on June 16, 2028, subject to certain other conditions set forth in the agreement. 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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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^*

Lanna Lepecki Stefan

(Last) (First) (Middle)

RUA LEMOS MONTEIRO,120,FLOOR 23,BUTANTA

(Street)

SAO PAULO D5 05501050

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/13/2026

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)
	Executive Officer&Head of SAM

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	62,640	D
American Depositary Receipt	39,963	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	34,028	(4)	D
Class A Preferred Share Units	(2)	(2)	Class A Preferred Shares	59,774	(4)	D
Class A Preferred Share Units	(3)	(3)	Class A Preferred Shares	114,072	(4)	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. These Class A Preferred Share Units vest on June 05, 2027, subject to certain other conditions set forth in the agreement.

3. These Class A Preferred Share Units vest on June 16, 2028, subject to certain other conditions set forth in the agreement.

4. 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.

	Stefan Lanna Lepecki	03/13/2026
	** 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.

FAQ

What insider ownership did Braskem (BAK) executive Lanna Lepecki Stefan report?

Lanna Lepecki Stefan reported direct holdings of 62,640 Class A Preferred Shares, 39,963 American Depositary Receipts, and multiple tranches of Class A Preferred Share Units tied to additional underlying shares that vest over time, reflecting her equity-based compensation in Braskem.

What are the Class A Preferred Share Units disclosed in the Braskem (BAK) Form 3?

The filing shows Class A Preferred Share Units, each giving a contingent right to receive one Class A Preferred Share. These units will be settled in shares, cash, or a combination, at Braskem’s discretion, and represent unvested equity awards for the executive.

What vesting schedule applies to the Braskem (BAK) Class A Preferred Share Units?

The units vest in three tranches: September 6, 2026, June 5, 2027, and June 16, 2028, each subject to additional conditions in the governing agreements. This schedule staggers when the executive can receive shares or cash from these awards.

How many underlying shares are linked to the Braskem (BAK) Preferred Share Units?

The units are linked to 34,028, 59,774, and 114,072 underlying Class A Preferred Shares in separate grants. Together, they represent significant potential future equity, dependent on vesting conditions and Braskem’s choice of share or cash settlement.

Does this Braskem (BAK) Form 3 show the executive buying or selling shares?

The disclosure lists holdings and equity awards rather than purchases or sales. All transactions are classified as holdings with unknown transaction codes, indicating this is an initial statement of beneficial ownership, not a record of new market trades.

What ADR position did the Braskem (BAK) executive report in this filing?

The executive directly holds 39,963 American Depositary Receipts representing an interest in Braskem shares. This ADR position complements her holdings in Class A Preferred Shares and unvested Class A Preferred Share Units disclosed in the same ownership report.