# EDGAR Filing Document

**Accession Number:** 0001809353
**File Stem:** 0001104659-23-033250
**Filing Date:** 2023-3
**Character Count:** 4558
**Document Hash:** 38c12d4487499edfc2c601c0dac0b68f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-033250.hdr.sgml**: 20230316

**ACCESSION NUMBER**: 0001104659-23-033250

**CONFORMED SUBMISSION TYPE**: 15-12G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230316

**DATE AS OF CHANGE**: 20230316

**EFFECTIVENESS DATE**: 20230316

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HPX Corp.
- **CENTRAL INDEX KEY:** 0001809353
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 15-12G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39382
- **FILM NUMBER:** 23738313

**BUSINESS ADDRESS:**
- **STREET 1:** 1000 N. WEST STREET, SUITE 1200
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801
- **BUSINESS PHONE:** (302) 295-4929

**MAIL ADDRESS:**
- **STREET 1:** 1000 N. WEST STREET, SUITE 1200
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**FORM 15** 

**CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION** 

**UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934** 

**OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)** 

**OF THE SECURITIES EXCHANGE ACT OF 1934.** 

**Commission File Number 001-39382**

**HPX CORP.**

**(Exact name of registrant as specified in its charter)** 

**1000 N. West Street, Suite 1200**

**Wilmington, DE 19801**

**Telephone number: (302) 295-4929**

**(Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)** 

**Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant** 

**Class A ordinary shares, par value $0.0001 per share** 

**Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50** 

**(Title of each class of securities covered by this Form)** 

**None** 

**(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)** 

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

---

| | |
|:---|:---|
| Rule 12g-4(a)(1) | ⌧ |
| Rule 12g-4(a)(2) | ¨ |
| Rule 12h-3(b)(1)(i) | x |
| Rule 12h-3(b)(1)(ii) | ¨ |
| Rule 15d-6 | ¨ |
| Rule 15d-22(b) | ¨ |

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Approximate number of holders of record as of the certification or notice date: 1\*.

\* On March 3, 2023 (the "Closing Date"), Ambipar Emergency Response, an exempted company incorporated with limited liability in the Cayman Islands (the "Company"), consummated the previously announced business combination pursuant to the business combination agreement, dated as of July 5, 2022 (the "Business Combination Agreement"), by and among the Company, HPX Corp., a Cayman Island exempted company ("HPX"), Ambipar Merger Sub, an exempted company incorporated with limited liability in the Cayman Islands and a wholly-owned subsidiary of the Company ("Merger Sub"), Emergência Participações S.A., a sociedade anônima organized under the laws of Brazil ("Emergencia"), and Ambipar Participações e Empreendimentos S.A., a sociedade anônima organized under the laws of Brazil ("Ambipar"). Pursuant to the Business Combination Agreement, one business day before the Closing Date, Ambipar contributed all of the issued and outstanding equity of Emergencia into Merger Sub in exchange for the newly issued ordinary shares of Merger Sub. On the Closing Date, (i) HPX merged with and into the Company, with the Company as the surviving entity (the "First Merger") and (ii) immediately after the First Merger, Merger Sub merged with and into the Company, with the Company as the surviving entity and holding all of the issued and outstanding equity of Emergencia. As a result of, and as of the effective time of, the First Merger, the Company's separate corporate existence ceased.

Pursuant to the requirements of the Securities Exchange Act of 1934, Ambipar Emergency Response, as successor by merger to HPX Corp., has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

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| | | |
|:---|:---|:---|
|  | **Ambipar Emergency Response** | **Ambipar Emergency Response** |
|  | (as successor by merger to HPX Corp.) | (as successor by merger to HPX Corp.) |
| Date: March 16, 2023 | By: | /s/ Thiago da Costa Silva |
|  | Name: | Thiago da Costa Silva |
|  | Title: | Director |

---