Ambipar Emergency Response (AMBIQ) director files initial Form 3 report

Rhea-AI Filing Summary

Ambipar Emergency Response director de Melo Alessandra Bessa Alves filed an initial ownership report on Form 3. The filing establishes her status as a director of the company but does not list any share transactions or derivative positions. It is an administrative disclosure of insider status rather than a trading activity report.

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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

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OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

de Melo Alessandra Bessa Alves

(Last) (First) (Middle)

2330 ANGELICA AV,5TH FLOOR,HIGIENOPOLIS

SAO PAULO-SP

(Street)

S?O PAULO D5 01228200

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/17/2026

3. Issuer Name and Ticker or Trading Symbol
Ambipar Emergency Response [ AMBIQ ]

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

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

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)

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.

	/s/ Alessandra Bessa Alves de Melo	03/17/2026
	** 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 does the Ambipar (AMBI) Form 3 filing by de Melo Alessandra Bessa Alves show?

The Form 3 filing records de Melo Alessandra Bessa Alves as a director of Ambipar Emergency Response. It serves as an initial insider ownership report and does not detail any share purchases, sales, or derivative positions in this submission.

Did the Ambipar (AMBI) Form 3 disclose any insider share purchases or sales?

No, this Form 3 for Ambipar Emergency Response reports no insider transactions. The transaction summary shows zero buys, sells, exercises, gifts, or tax withholdings, indicating it is purely a status and ownership registration filing at this time.

Who is the reporting person in the Ambipar Emergency Response (AMBI) Form 3?

The reporting person is de Melo Alessandra Bessa Alves, identified in the filing as a director of Ambipar Emergency Response. She is not listed as an officer or ten percent owner in this particular disclosure.

Does the Ambipar (AMBI) Form 3 include any derivative securities or options?

The Form 3 shows no derivative securities for the reporting person. The derivative summary is empty, and derivativeTransactionCount is zero, indicating no reported options, warrants, or other derivative positions in this initial ownership statement.

What is the overall transaction direction in this Ambipar Emergency Response Form 3?

The transaction summary indicates a neutral net buy/sell direction with no reported trades. All buy, sell, exercise, gift, and withholding counts are zero, so the filing reflects insider status only, not market activity.