Braskem officer files initial insider ownership report

BRASKEM SA reported that executive Alessandro de Castro Melo, serving as Eng/Tech&Innovation Officer, submitted an initial Form 3 statement of beneficial ownership as an officer of the company.

Rhea-AI Filing Summary

BRASKEM SA reported that executive Alessandro de Castro Melo, serving as Eng/Tech&Innovation Officer, submitted an initial Form 3 statement of beneficial ownership as an officer of the company. The report does not list any insider stock transactions or derivative security positions.

Key Figures

Reported buy transactions: 0 Reported sell transactions: 0 Derivative transactions: 0 +1 more

4 metrics

Reported buy transactions 0 Open-market purchase transactions reported for this Form 3

Reported sell transactions 0 Open-market sale transactions reported for this Form 3

Derivative transactions 0 Total derivative security transactions reported in this Form 3

Exercise transactions 0 Option or derivative exercises reported in the transaction summary

Key Terms

beneficial ownership, derivative security positions, insider

3 terms

beneficial ownership regulatory

"submitted an initial Form 3 statement of beneficial ownership as an officer"

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 security positions financial

"does not list any insider stock transactions or derivative security positions"

insider regulatory

"provides his initial statement as an insider"

FAQ

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

What does the Form 3 for BAK disclose about Alessandro de Castro Melo?

The Form 3 identifies Alessandro de Castro Melo as BRASKEM SA’s Eng/Tech&Innovation Officer and provides his initial statement as an insider. It shows no reported stock transactions or derivative positions at the time of the filing.

Were any BRASKEM SA (BAK) shares bought or sold in this Form 3?

No. The Form 3 for BRASKEM SA shows no reported purchases or sales of the company’s securities by Alessandro de Castro Melo. The transaction summary records zero buy, sell, or exercise transactions.

Does the BRASKEM SA (BAK) Form 3 show any derivative securities for the officer?

No derivative securities are reported. The derivative section of the Form 3 for Alessandro de Castro Melo contains no entries, indicating no listed options, warrants, or similar instruments in this report.

What insider role is reported for Alessandro de Castro Melo at BRASKEM SA (BAK)?

Alessandro de Castro Melo is reported as an officer of BRASKEM SA, with the title Eng/Tech&Innovation Officer. This status makes him an insider required to submit a Form 3 ownership statement.

Does the BRASKEM SA (BAK) Form 3 indicate any gifts or tax-withholding share movements?

No. The transaction summary in this Form 3 shows zero gift transactions and zero tax-withholding share dispositions for Alessandro de Castro Melo, reflecting no such movements in company securities.

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

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Accepted by SEC EDGAR 07/16/2026 - 02:43 PM EDT 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^*

de Castro Melo Alessandro

(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)
07/10/2026

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Eng/Tech&Innovation Officer

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.

	Alessandro de Castro Melo	07/16/2026
	** 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.
* Form 3: SEC 1473 (03-26)