BRASKEM SA (BAK) officer Carlos Plachta files initial Form 3

Rhea-AI Filing Summary

BRASKEM SA executive Carlos Plachta, Chief Consumer & Log Officer, filed an initial Form 3 as a reporting person of the company. The filing does not list any equity or derivative holdings and shows no reported transactions, serving as a baseline disclosure of his insider status.

Key Terms

Form 3, reporting person, Chief Consumer & Log Officer, beneficial ownership

4 terms

Form 3 regulatory

"filed an initial Form 3 as a reporting person of the company"

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.

reporting person regulatory

"Carlos Plachta, Chief Consumer & Log Officer, filed an initial Form 3 as a reporting person"

Chief Consumer & Log Officer financial

"officer_title: "Chief Consumer & Log Officer" in the reportingPersons section"

beneficial ownership regulatory

"serving as a baseline disclosure of his insider beneficial ownership status"

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.

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

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1. Name and Address of Reporting Person^*

Plachta Carlos

(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)
05/06/2026

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)
	Chief Consumer & Log 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.

	Carlos Plachta	05/19/2026
	** 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 for Carlos Plachta show?

The Form 3 for Carlos Plachta reports his status as a BRASKEM SA officer. It serves as an initial insider ownership baseline and shows no reported common stock or derivative holdings and no transactions in the filing data provided.

Who is the reporting person in the BRASKEM SA (BAK) Form 3 filing?

The reporting person is Carlos Plachta, identified as an officer of BRASKEM SA. His officer title is Chief Consumer & Log Officer, and he is not listed as a director or ten percent owner in this initial beneficial ownership statement.

Does the BRASKEM SA (BAK) Form 3 report any insider trades by Carlos Plachta?

No trades are reported for Carlos Plachta in this Form 3. The transaction summary shows zero buys, zero sells, zero derivative exercises, and no gifts or restructurings, indicating only an initial insider status disclosure without trading activity.

Are any derivative positions reported for Carlos Plachta at BRASKEM SA (BAK)?

No derivative positions are listed for Carlos Plachta in this Form 3. The derivative summary is empty and the transaction summary indicates zero derivative transactions and zero options or similar instruments exercised or held in the data provided.

What does the transaction summary in the BRASKEM SA (BAK) Form 3 indicate?

The transaction summary shows no activity for Carlos Plachta, with all buy, sell, exercise, gift, tax withholding, and restructuring counts at zero. Net buy-sell direction is labeled neutral, reinforcing that this filing is purely an initial registration.