New Braskem (NYSE: BAK) director submits initial Form 3 ownership filing

Rhea-AI Filing Summary

BRASKEM SA director Andre da Costa Santos submitted an initial Form 3, which is the first statement of beneficial ownership required for insiders. The filing shows no reported transactions or derivative positions, indicating no buy or sell activity disclosed in this report.

Key Terms

Form 3, beneficial ownership, derivative positions

3 terms

Form 3 regulatory

"submitted an initial Form 3, which is the first statement of beneficial ownership"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership financial

"which is the first statement of beneficial ownership required for insiders"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

derivative positions financial

"The filing shows no reported transactions or derivative positions"

Derivative positions are contracts that derive their value from an underlying asset—such as a stock, bond, currency or commodity—and include instruments like options, futures and swaps. Think of them as bets or insurance tied to an asset’s future price: they let investors amplify returns, hedge risk or take exposure without owning the asset directly, which can meaningfully increase potential gains, losses and volatility in a portfolio.

Understanding Insider Trading Forms →

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
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hours per response:			0.5

1. Name and Address of Reporting Person^*

da Costa Santos Andre

(Last) (First) (Middle)

RUA LEMOS MONTEIRO,120,FLOOR 22,BUTANTA

(Street)

SAO PAULO SAO PAULO 05501050

(City) (State) (Zip)

BRAZIL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/29/2026

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

3a. Foreign Trading Symbol
[BRKM5]

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

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

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

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)

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

Explanation of Responses:

No securities are beneficially owned.

	Andre da Costa Santos	05/14/2026
	** 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.
* Form 3: SEC 1473 (03-26)

FAQ

What does the BRASKEM SA (BAK) Form 3 filing report for Andre da Costa Santos?

The Form 3 filing reports that Andre da Costa Santos is a director of BRASKEM SA. It serves as his initial beneficial ownership statement and shows no reported transactions or derivative positions in this filing.

Does the BRASKEM SA (BAK) Form 3 show any insider buying or selling?

No, the Form 3 for BRASKEM SA reports zero buy, sell, acquire, or dispose transactions. The transaction summary shows no shares bought, sold, exercised, gifted, or withheld for taxes in this initial filing.

What is the purpose of a Form 3 for BRASKEM SA insiders like Andre da Costa Santos?

Form 3 is the initial statement of beneficial ownership for BRASKEM SA insiders. It establishes an official starting point for tracking future insider trades and holdings once the person becomes an officer, director, or large shareholder.

Are there any derivative securities reported in this BRASKEM SA (BAK) Form 3?

No derivative securities are reported in this Form 3 for BRASKEM SA. The derivative summary is empty and the derivative transaction count is zero, indicating no options, warrants, or similar instruments disclosed in this filing.

Does the BRASKEM SA Form 3 include any tax withholding or restructuring transactions?

No, the Form 3 transaction summary for BRASKEM SA shows zero tax withholding and restructuring transactions. Counts and share amounts for these categories are all zero, reflecting no such activity in this initial ownership statement.