A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

Why are some filings missing?

New filings appear as the SEC updates EDGAR, and older records can vary by availability.

How often is this page updated?

Updates follow new EDGAR submissions and periodic data refreshes.

Filer Snapshot

Ambipar Emergency Response SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001937441.

Entity Type

Company

Total Filings

117

Latest Filing

01 May 2026

Industry

Hazardous Waste Management

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Start with the latest filings table, then open the strongest context page for this filer.

Use the filings table to verify the newest submission, form type, and report period.
Open the deeper context page only when this filer actually has insider or ownership signal.

Go to latest filings table Open insider trading context

Source: SEC filing NT 20-F

NT 20-F filed on 01 May 2026 for CIK 0001937441.

View Source Filing

Symbol: AMBIQ, AMBWQ on OTC
Industry: Hazardous Waste Management (Office Of Energy & Transportation)
Business address: Avenida Angelica, N. 2346, 5 Th Floor, Room 4, Consolacao, Sao Paulo, Brazil, 01228-200
State of incorporation: Cayman Islands
Fiscal year end: 31 December

Key facts

Ambipar Emergency Response is an SEC filer tracked under CIK 0001937441.
117 filings are listed on this profile.
Common form coverage includes NT 20-F, 3, 6-K and more.

Change

Latest filing: NT 20-F filed on 01 May 2026.
Report period: 31 Dec 2025.

Research use

You can quote filing dates and form types directly from the SEC record on this page.
Use this profile before deeper ownership or insider analysis to confirm filing history context.

Evidence

Source: SEC filing NT 20-F

NT 20-F filed on 01 May 2026 for CIK 0001937441.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed NT 20-F can change the filing history, ownership context, or next research path for Ambipar Emergency Response.

Latest source-backed update: NT 20-F filed 01 May 2026
Why come back: Revisit after a new SEC filing appears to compare the updated record with prior filings.

Latest filing on record: NT 20-F filed 01 May 2026.
Save this filer if you want a stable place to return after the next filing cycle.
Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Company intelligence

Ambipar Emergency Response: filings, ownership, insiders

CIK 0001937441. Open the active data lane, then verify the SEC filing behind the row.

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Active modules

3/5

Available company intelligence paths on this page.

Filings

117

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

Watch

Return when a new SEC-backed change lands.

Research checks

Latest filing

NT 20-F filed 01 May 2026

Ownership lanes

1/3 active

CIK

0001937441

Next review

watch new filing, insider, 13D/G, or 13F change

SEC-verifiable company research path

Keep the next click tied to one changing object: a CIK, filing, insider, Schedule 13D/G holder, Form 13F manager, or security.

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SEC filings

Available

Latest company filings

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Company facts

Available

Financial context

Use XBRL facts when ownership activity needs revenue, earnings, debt, or cash-flow context.

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Forms 3/4/5

Available

Insider activity

Check whether directors, officers, or 10% owners are buying, selling, or filing fresh ownership changes.

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Schedule 13D/G

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Large-stake holders

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Form 13F

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Institutional holders

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SEC-verifiable company hub

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Watchlist return triggers

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new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

Ambipar Emergency Response has filed 117 SEC EDGAR filings since 12 Aug 2022. Common forms include NT 20-F, 3, 6-K, SCHEDULE 13G and more.

Ambipar Emergency Response SEC filings Ambipar Emergency Response insider transactions Ambipar Emergency Response company facts

Latest Filings

Recent SEC filings for Ambipar Emergency Response with direct links to document and filing folders.

NT 20-F File 001-41638

NOTIFICATION OF LATE FILING

Filing date: 01 May 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

3

Filing date: 19 Mar 2026
Reporting date: 18 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3

Filing date: 19 Mar 2026
Reporting date: 18 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 18 Mar 2026
Reporting date: 18 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 17 Mar 2026
Reporting date: 17 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 17 Mar 2026
Reporting date: 17 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 17 Mar 2026
Reporting date: 17 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 17 Mar 2026
Reporting date: 17 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 17 Mar 2026
Reporting date: 17 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 3

Filing date: 17 Mar 2026
Reporting date: 17 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 22 Dec 2025
Reporting date: 19 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G File 005-94083

SCHEDULE 13G filing

Filing date: 05 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 05 Nov 2025
Reporting date: 04 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 05 Nov 2025
Reporting date: 04 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

25-NSE File 001-41638

25-NSE filing

Filing date: 29 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 29 Oct 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 23 Oct 2025
Reporting date: 23 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 23 Oct 2025
Reporting date: 23 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 21 Oct 2025
Reporting date: 21 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

CURRENT REPORT OF FOREIGN ISSUER PURSUANT TO RULES 13A-16 AND 15D-16 AMENDMENTS

Filing date: 25 Sep 2025
Reporting date: 25 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3 filing

Filing date: 25 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K filing

Filing date: 25 Sep 2025
Reporting date: 24 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-270493

EFFECT filing

Filing date: 15 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

POS AM File 333-270493

REGISTRATION STATEMENT

Filing date: 03 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

6-K File 001-41638

CURRENT REPORT OF FOREIGN ISSUER PURSUANT TO RULES 13A-16 AND 15D-16 AMENDMENTS

Filing date: 18 Aug 2025
Reporting date: 15 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 24 Jun 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

20-F File 001-41638

20-F

Filing date: 24 Jun 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 10 Jun 2025
Reporting date: 28 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 23 May 2025
Reporting date: 22 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 21 May 2025
Reporting date: 20 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

NT 20-F File 001-41638

NT 20-F

Filing date: 30 Apr 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 02 Apr 2025
Reporting date: 31 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-270493

EFFECT filing

Filing date: 24 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 20 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 18 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD File 333-270493

UPLOAD filing

Filing date: 14 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

POS AM File 333-270493

POS AM

Filing date: 03 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 03 Feb 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 03 Feb 2025
Reporting date: 30 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 16 Dec 2024
Reporting date: 16 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 06 Dec 2024
Reporting date: 06 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 15 Nov 2024
Reporting date: 30 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 23 Oct 2024
Reporting date: 22 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 19 Sep 2024
Reporting date: 18 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 09 Aug 2024
Reporting date: 09 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 09 Aug 2024
Reporting date: 30 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 09 Aug 2024
Reporting date: 30 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-281115

S-8

Filing date: 31 Jul 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 18 Jun 2024
Reporting date: 31 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 30 May 2024
Reporting date: 29 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 23 May 2024
Reporting date: 23 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3

Filing date: 16 May 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 16 May 2024
Reporting date: 15 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 14 May 2024
Reporting date: 13 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 13 May 2024
Reporting date: 30 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

20-F File 001-41638

20-F

Filing date: 13 May 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

NT 20-F File 001-41638

NT 20-F filing

Filing date: 01 May 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 02 Apr 2024
Reporting date: 30 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 07 Mar 2024
Reporting date: 06 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-94083

SC 13G

Filing date: 14 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-94083

SC 13G

Filing date: 30 Jan 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3

Filing date: 08 Jan 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K/A File 001-41638

6-K/A

Filing date: 08 Jan 2024
Reporting date: 15 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3

Filing date: 18 Dec 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 18 Dec 2023
Reporting date: 15 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

6-K

Filing date: 18 Dec 2023
Reporting date: 30 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-94083

SCHEDULE 13G AMENDMENT

Filing date: 07 Dec 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 16 Nov 2023
Reporting date: 15 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-274953

FORM S-8

Filing date: 12 Oct 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3

Filing date: 10 Oct 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 10 Oct 2023
Reporting date: 10 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 10 Oct 2023
Reporting date: 10 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3

Filing date: 28 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 28 Aug 2023
Reporting date: 28 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-270493

EFFECT filing

Filing date: 25 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-270493

424B3

Filing date: 25 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 23 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 16 Aug 2023
Reporting date: 16 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

F-1/A File 333-270493

FORM F-1/A

Filing date: 07 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 28 Jun 2023
Reporting date: 27 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-94083

SCHEDULE 13G

Filing date: 06 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 17 May 2023
Reporting date: 17 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

20-F File 001-41638

20-F

Filing date: 15 May 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

NT 20-F File 001-41638

NT 20-F

Filing date: 01 May 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 04 Apr 2023
Reporting date: 03 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

F-1/A File 333-270493

F-1/A

Filing date: 30 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 29 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 29 Mar 2023
Reporting date: 29 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 24 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

F-1 File 333-270493

F-1

Filing date: 13 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

20-F File 001-41638

FORM 20-F

Filing date: 07 Mar 2023
Reporting date: 03 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

6-K File 001-41638

FORM 6-K

Filing date: 06 Mar 2023
Reporting date: 06 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

CERT File 001-41638

NYSE AMERICAN CERTIFICATION

Filing date: 03 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-A12B File 001-41638

FORM 8-A12B

Filing date: 03 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-268795

EFFECT filing

Filing date: 03 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 03 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-268795

424B3

Filing date: 03 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 01 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

F-4/A File 333-268795

F-4/A

Filing date: 30 Jan 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 11 Jan 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

F-4/A File 333-268795

F-4/A

Filing date: 11 Jan 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 05 Jan 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 20 Dec 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 16 Dec 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 14 Dec 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

F-4 File 333-268795

F-4

Filing date: 14 Dec 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 21 Nov 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 10 Nov 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DRS/A File 377-06343

DRS/A filing

Filing date: 02 Nov 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DRSLTR

DRSLTR filing

Filing date: 01 Nov 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 26 Oct 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 03 Oct 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 27 Sep 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 15 Sep 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 15 Sep 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DRS File 377-06343

DRS filing

Filing date: 31 Aug 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

425

Filing date: 12 Aug 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Ambipar Emergency Response files with the SEC under CIK 0001937441. This page aggregates EDGAR filings and related ownership activity.

Industry: Hazardous Waste Management.

FAQ

What is a CIK?: A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?: New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?: Updates follow new EDGAR submissions and periodic data refreshes.