Opal Fuels Inc SEC filings OPAL

Opal Fuels Inc has 489 filings in SEC EDGAR's recent list, going back to Feb 4, 2021. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 21, 2026 (officer or director change, regulation fd disclosure). The company's fiscal year ends on December 31.

Opal Fuels Inc SEC filings
Form Description Filed Period
EFFECT Filing Sep 17, 2026 —
NT 10-Q Filing May 13, 2025 Mar 31, 2025
UPLOAD Letter from the SEC Nov 2, 2023 —
CORRESP Letter to the SEC Oct 13, 2023 —
CORRESP Letter to the SEC Oct 4, 2023 —
UPLOAD Letter from the SEC Sep 15, 2023 —
EFFECT Filing Sep 6, 2023 —
CORRESP Letter to the SEC Sep 1, 2023 —
EFFECT Filing Aug 10, 2023 —
EFFECT Filing May 15, 2023 —
25-NSE Delisting notice Dec 21, 2022 —
425 Filing Dec 20, 2022 —
SC TO-I/A Amendment no. 1 to form sc to-i Dec 20, 2022 —
EFFECT Filing Dec 15, 2022 —
425 Filing Nov 18, 2022 —
SC TO-I Tender offer statement Nov 18, 2022 —
EFFECT Filing Nov 8, 2022 —
CORRESP Letter to the SEC Nov 7, 2022 —
CORRESP Letter to the SEC Nov 3, 2022 —
UPLOAD Letter from the SEC Nov 3, 2022 —
CORRESP Letter to the SEC Nov 1, 2022 —
UPLOAD Letter from the SEC Nov 1, 2022 —
CORRESP Letter to the SEC Oct 14, 2022 —
UPLOAD Letter from the SEC Oct 11, 2022 —
CORRESP Letter to the SEC Sep 20, 2022 —
UPLOAD Letter from the SEC Sep 1, 2022 —
25-NSE Delisting notice Jul 21, 2022 —
425 Current report Jul 18, 2022 —
425 Form 425 Jul 12, 2022 —
425 Form 425 Jul 6, 2022 —
425 Form 425 Jun 28, 2022 —
EFFECT Filing Jun 27, 2022 —
SEC STAFF LETTER Filing Jun 23, 2022 —
CORRESP Letter to the SEC Jun 23, 2022 —
CORRESP Letter to the SEC Jun 21, 2022 —
UPLOAD Letter from the SEC Jun 17, 2022 —
CORRESP Letter to the SEC Jun 14, 2022 —
UPLOAD Letter from the SEC Jun 13, 2022 —
CORRESP Letter to the SEC May 31, 2022 —
UPLOAD Letter from the SEC May 23, 2022 —
UPLOAD Letter from the SEC May 18, 2022 —
UPLOAD Letter from the SEC May 18, 2022 —
UPLOAD Letter from the SEC May 18, 2022 —
UPLOAD Letter from the SEC May 18, 2022 —
CORRESP Letter to the SEC May 12, 2022 —
425 Current report May 12, 2022 —
UPLOAD Letter from the SEC May 11, 2022 —
425 Form 425 May 9, 2022 —
425 Form 425 May 9, 2022 —
CORRESP Letter to the SEC May 6, 2022 —
UPLOAD Letter from the SEC May 4, 2022 —
425 Opal fuels invester event Apr 26, 2022 —
SEC STAFF LETTER Filing Apr 18, 2022 —
CORRESP Letter to the SEC Apr 15, 2022 —
425 Form 425 Apr 4, 2022 —
UPLOAD Letter from the SEC Mar 7, 2022 —
425 Form 425 Mar 4, 2022 —
425 Form 425 Feb 9, 2022 —
425 Filing Dec 14, 2021 —
425 Filing Dec 13, 2021 —
425 Filing Dec 10, 2021 —
425 Filing Dec 3, 2021 —
425 Filing Dec 2, 2021 —
425 Filing Dec 2, 2021 —
425 Filing Dec 2, 2021 —
425 Filing Dec 2, 2021 —
425 Filing Dec 2, 2021 —
NT 10-Q Filing May 18, 2021 Mar 31, 2021
EFFECT Filing Mar 22, 2021 —
CERT Filing Mar 22, 2021 —
8-A12B Filing Mar 22, 2021 —
CORRESP Letter to the SEC Mar 18, 2021 —
CORRESP Letter to the SEC Mar 18, 2021 —
CORRESP Letter to the SEC Mar 8, 2021 —
UPLOAD Letter from the SEC Mar 3, 2021 —

Showing 75 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Gas & Other Services Combined (SIC 4932)
Listed as
OPAL (Nasdaq)
Fiscal year ends
December 31
Headquarters
Boston, MA
SEC filer status
, Emerging growth company
SEC CIK
1842279
Former names
ArcLight Clean Transition Corp. II (until Jul 21, 2022)

Other Gas & Other Services Combined companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.