Ambipar Emergency Response (NYSE: AMBI) director reports indirect fund holdings

Rhea-AI Filing Summary

Ambipar Emergency Response director Victor B. Almeida filed an initial ownership report showing indirect exposure to the company through an investment fund. The filing states that Opportunity Dinamico Fundo de Investimento em Participacoes Multiestrategia Responsabilidade Limitada directly holds 11,810,000 Class A Ordinary Shares and 2,280,000 Warrants of Ambipar Emergency Response, managed by Opportunity Private Equity Gestora de Recursos Ltda. Each Warrant is exercisable into one Ordinary Share at an exercise price of $11.50 and expires on March 3, 2028. Almeida serves on the board as OPEG’s representative, is a partner holding less than 10% of OPEG and an indirect investor in the fund, and expressly disclaims beneficial ownership of these securities except to the extent of his pecuniary interest.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Almeida Victor Bastos

Role Director

Type	Security	Shares	Price	Value
holding	Warrants	--	--	--
holding	Class A Ordinary Shares	--	--	--

Holdings After Transaction: Warrants — 2,280,000 shares (Indirect, See Footnotes); Class A Ordinary Shares — 11,810,000 shares (Indirect, See Footnotes)

Footnotes (1)

1. The filing of this Form 3 shall not be construed as an admission that Victor B. Almeida (the "Reporting Person") is or was for the purposes of Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise the beneficial owner of any (i) Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares"), of Ambipar Emergency Response (the "Issuer"), or (ii) Warrants of the Issuer ("Warrants") exercisable for Class A Ordinary Shares. Pursuant to Rule 16a-1(a)(4) of the Exchange Act, the Reporting Person disclaims such beneficial ownership, except to the extent of his pecuniary interest. The Reporting Person serves as a member of the board of directors of the Issuer as the representative of Opportunity Private Equity Gestora de Recursos Ltda. ("OPEG"). OPEG is the investment manager of Opportunity Dinamico Fundo de Investimento em Participacoes Multiestrategia Responsabilidade Limitada (the "Fund"), which is the direct beneficial owner of 11,810,000 Ordinary Shares and 2,280,000 Warrants. OPEG, although it directs the voting and disposition of the Ordinary Shares and Warrants held by the Fund, only receives an asset-based fee and performance fee relating to such securities. The Reporting Person, as a Partner holding less than 10% of OPEG and an indirect investor in the Fund, may be deemed an indirect beneficial owner of the securities reported herein. Pursuant to the Warrant Agreement dated July 15, 2020, and the Form 20-F of the Issuer filed with the Securities and Exchange commission on June 24, 2025, each Warrant (i) is exercisable into one Ordinary Share at a price of $11.50, subject to adjustment as specified therein, during the period described therein and (ii) expires on March 3, 2028.

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
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Almeida Victor Bastos

(Last) (First) (Middle)

RUA VISCONDE DE PIRAJA 351,

14TH FLOOR (PART)

(Street)

IPANEMA, RIO DE JANEIRO BRAZIL 22410-906

(City) (State) (Zip)

BRAZIL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

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

3a. Foreign Trading Symbol

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)
Class A Ordinary Shares(1)	11,810,000	I	See Footnotes(1)(2)

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
Warrants(1)	(3)	03/03/2028	Class A Ordinary Shares(1)(3)	2,280,000	$11.5(3)	I	See Footnotes(1)(2)

Explanation of Responses:

1. The filing of this Form 3 shall not be construed as an admission that Victor B. Almeida (the "Reporting Person") is or was for the purposes of Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise the beneficial owner of any (i) Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares"), of Ambipar Emergency Response (the "Issuer"), or (ii) Warrants of the Issuer ("Warrants") exercisable for Class A Ordinary Shares. Pursuant to Rule 16a-1(a)(4) of the Exchange Act, the Reporting Person disclaims such beneficial ownership, except to the extent of his pecuniary interest.

2. The Reporting Person serves as a member of the board of directors of the Issuer as the representative of Opportunity Private Equity Gestora de Recursos Ltda. ("OPEG"). OPEG is the investment manager of Opportunity Dinamico Fundo de Investimento em Participacoes Multiestrategia Responsabilidade Limitada (the "Fund"), which is the direct beneficial owner of 11,810,000 Ordinary Shares and 2,280,000 Warrants. OPEG, although it directs the voting and disposition of the Ordinary Shares and Warrants held by the Fund, only receives an asset-based fee and performance fee relating to such securities. The Reporting Person, as a Partner holding less than 10% of OPEG and an indirect investor in the Fund, may be deemed an indirect beneficial owner of the securities reported herein.

3. Pursuant to the Warrant Agreement dated July 15, 2020, and the Form 20-F of the Issuer filed with the Securities and Exchange commission on June 24, 2025, each Warrant (i) is exercisable into one Ordinary Share at a price of $11.50, subject to adjustment as specified therein, during the period described therein and (ii) expires on March 3, 2028.

	By: /s/ Victor B. Almeida	03/18/2026
	** 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 insider holdings does Ambipar Emergency Response (AMBI) director Victor B. Almeida report?

The report shows indirect exposure via a fund that holds 11,810,000 Class A Ordinary Shares and 2,280,000 Warrants of Ambipar Emergency Response. These securities are directly owned by the fund, not by Almeida personally.

Who directly owns the AMBI shares and warrants referenced in Victor B. Almeida’s Form 3?

The filing states that Opportunity Dinamico Fundo de Investimento em Participacoes Multiestrategia Responsabilidade Limitada directly owns the 11,810,000 Ordinary Shares and 2,280,000 Warrants, with Opportunity Private Equity Gestora de Recursos Ltda. acting as investment manager.

How are the AMBI warrants held by the fund structured according to the Form 3?

Each Warrant is described as exercisable into one Class A Ordinary Share at an exercise price of $11.50, subject to adjustment, and expires on March 3, 2028, under the disclosed Warrant Agreement and referenced Form 20-F.

Does Victor B. Almeida claim beneficial ownership of the AMBI securities in this filing?

The filing explicitly states that Almeida disclaims beneficial ownership of the Ordinary Shares and Warrants, except to the extent of his pecuniary interest, relying on Rule 16a-1(a)(4) of the Exchange Act for this disclaimer.

What is Victor B. Almeida’s relationship to Ambipar Emergency Response (AMBI) and the investment entities?

Almeida serves on Ambipar Emergency Response’s board of directors as the representative of OPEG, is a partner holding less than 10% of OPEG, and is an indirect investor in the fund that holds the reported securities.

What does the AMBI Form 3 indicate about Opportunity Private Equity Gestora de Recursos Ltda. (OPEG)?

The Form 3 explains that OPEG manages the fund holding Ambipar Emergency Response shares and warrants, directing voting and disposition, and receives an asset-based and performance fee related to those securities.