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.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 21, 2026 | Oct 19, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 20, 2026 | Oct 20, 2026 |
| EFFECT | Filing | Sep 17, 2026 | — |
| S-3/A | Filing | Sep 14, 2026 | — |
| S-3 | Shelf registration | Sep 4, 2026 | — |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 28, 2026 | Jul 27, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Other events
|
Jun 3, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Change to shareholder rights
|
May 20, 2026 | May 18, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 28, 2026 | Apr 28, 2026 |
| DEFA14A | Additional proxy material | Apr 23, 2026 | — |
| ARS | Annual report to shareholders | Apr 23, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 23, 2026 | Jun 17, 2026 |
| 10-K | Annual report | Mar 16, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2026 | Mar 16, 2026 |
| 8-K |
Current report
New debt, Unregistered share sale, Regulation FD disclosure
|
Mar 9, 2026 | Mar 6, 2026 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 28, 2025 | Oct 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 27, 2025 | Oct 22, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 29, 2025 | Sep 29, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2025 | Jun 18, 2025 |
| NT 10-Q | Filing | May 13, 2025 | Mar 31, 2025 |
| 10-Q | Quarterly report | May 13, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 25, 2025 | Apr 21, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 24, 2025 | Apr 24, 2025 |
| 8-K |
Current report
Other events
|
Apr 23, 2025 | Apr 22, 2025 |
| 8-K |
Current report
Material agreement
|
Mar 28, 2025 | Mar 28, 2025 |
| 10-K | Annual report | Mar 17, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 5, 2025 | Mar 3, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 28, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 3, 2025 | Feb 3, 2025 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Material agreement
|
Sep 19, 2024 | Sep 13, 2024 |
| 10-Q/A | Amended quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 25, 2024 | Jul 25, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2024 | Jun 25, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2024 | Jun 18, 2024 |
| 10-Q | Quarterly report | May 10, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 1, 2024 | Apr 25, 2024 |
| DEFA14A | Additional proxy material | Apr 22, 2024 | — |
| ARS | Annual report to shareholders | Apr 22, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Material agreement
|
Mar 28, 2024 | Mar 27, 2024 |
| 10-K | Annual report | Mar 15, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2024 | Mar 13, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 11, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 22, 2023 | Nov 22, 2023 |
| 8-K |
Current report
Material agreement
|
Nov 17, 2023 | Nov 17, 2023 |
| 424B3 | Prospectus | Nov 17, 2023 | — |
| 8-K/A |
Amended current report
Results of operations
|
Nov 15, 2023 | Nov 13, 2023 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2023 | Nov 13, 2023 |
| UPLOAD | Letter from the SEC | Nov 2, 2023 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 31, 2023 | Oct 30, 2023 |
| 8-K |
Current report
Material agreement
|
Oct 26, 2023 | Oct 20, 2023 |
| 8-K/A |
Amended current report
Officer or director change
|
Oct 20, 2023 | Oct 5, 2023 |
| CORRESP | Letter to the SEC | Oct 13, 2023 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 12, 2023 | Oct 5, 2023 |
| CORRESP | Letter to the SEC | Oct 4, 2023 | — |
| 8-K |
Current report
Material agreement, New debt
|
Sep 20, 2023 | Sep 14, 2023 |
| UPLOAD | Letter from the SEC | Sep 15, 2023 | — |
| EFFECT | Filing | Sep 6, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Sep 5, 2023 | Sep 1, 2023 |
| CORRESP | Letter to the SEC | Sep 1, 2023 | — |
| 8-K |
Current report
Material agreement
|
Aug 31, 2023 | Aug 28, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| S-3/A | Amendment no. 1 to form s-3 | Aug 11, 2023 | — |
| 424B3 | Prospectus | Aug 11, 2023 | — |
| EFFECT | Filing | Aug 10, 2023 | — |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| POS AM | Post-effective amendment no. 3 to form s-1 on form s-3 | Aug 2, 2023 | — |
| S-3 | Shelf registration | Aug 1, 2023 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 20, 2023 | Jul 19, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 29, 2023 | Jun 26, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2023 | Jun 23, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 2, 2023 | May 30, 2023 |
| EFFECT | Filing | May 15, 2023 | — |
| 424B3 | Prospectus | May 15, 2023 | — |
| 10-Q | Quarterly report | May 15, 2023 | Mar 31, 2023 |
| 424B3 | Prospectus | May 15, 2023 | — |
| 8-K/A |
Amended current report
Results of operations
|
May 11, 2023 | May 10, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 10, 2023 |
| ARS | Annual report to shareholders | May 9, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Material agreement
|
May 8, 2023 | May 2, 2023 |
| POS AM | Filing | May 4, 2023 | — |
| POS AM | Filing | May 3, 2023 | — |
| 8-K |
Current report
Results of operations
|
May 1, 2023 | Apr 28, 2023 |
| 8-K |
Current report
Material agreement
|
Apr 19, 2023 | Apr 13, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 5, 2023 | Mar 30, 2023 |
| 10-K | Annual report | Mar 29, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2023 | Mar 27, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 7, 2023 | Mar 7, 2023 |
| 424B3 | Prospectus | Dec 22, 2022 | — |
| 8-K |
Current report
Other events
|
Dec 22, 2022 | Dec 22, 2022 |
| 424B3 | Prospectus | Dec 22, 2022 | — |
| 25-NSE | Delisting notice | Dec 21, 2022 | — |
| 8-K |
Current report
Material agreement
|
Dec 21, 2022 | Dec 15, 2022 |
| 425 | Filing | Dec 20, 2022 | — |
| SC TO-I/A | Amendment no. 1 to form sc to-i | Dec 20, 2022 | — |
| 424B3 | Prospectus | Dec 19, 2022 | — |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Shareholder vote results, Other events
|
Dec 19, 2022 | Dec 16, 2022 |
| EFFECT | Filing | Dec 15, 2022 | — |
| 424B3 | Prospectus | Dec 15, 2022 | — |
| 424B3 | Prospectus | Nov 22, 2022 | — |
| 8-K |
Current report
Other events
|
Nov 22, 2022 | Nov 22, 2022 |
| 424B3 | Prospectus | Nov 18, 2022 | — |
| 425 | Filing | Nov 18, 2022 | — |
| SC TO-I | Tender offer statement | Nov 18, 2022 | — |
| 8-K |
Current report
Other events
|
Nov 18, 2022 | Nov 18, 2022 |
| S-4 | Registration for a merger or exchange | Nov 18, 2022 | — |
| 8-K/A |
Amended current report
Results of operations
|
Nov 16, 2022 | Nov 14, 2022 |
| 424B3 | Prospectus | Nov 15, 2022 | — |
| 8-K |
Current report
Results of operations
|
Nov 14, 2022 | Nov 14, 2022 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| EFFECT | Filing | Nov 8, 2022 | — |
| 424B3 | Prospectus | Nov 8, 2022 | — |
| CORRESP | Letter to the SEC | Nov 7, 2022 | — |
| S-1/A | Amended registration statement | Nov 4, 2022 | — |
| CORRESP | Letter to the SEC | Nov 3, 2022 | — |
| UPLOAD | Letter from the SEC | Nov 3, 2022 | — |
| S-1/A | Amended registration statement | Nov 2, 2022 | — |
| CORRESP | Letter to the SEC | Nov 1, 2022 | — |
| 8-K |
Current report
Results of operations
|
Nov 1, 2022 | Nov 1, 2022 |
| UPLOAD | Letter from the SEC | Nov 1, 2022 | — |
| CORRESP | Letter to the SEC | Oct 14, 2022 | — |
| S-1/A | Amended registration statement | Oct 14, 2022 | — |
| UPLOAD | Letter from the SEC | Oct 11, 2022 | — |
| 8-K |
Current report
Material agreement, New debt
|
Oct 3, 2022 | Sep 29, 2022 |
| S-8 | Employee stock plan registration | Oct 3, 2022 | — |
| S-1/A | Amended registration statement | Sep 20, 2022 | — |
| CORRESP | Letter to the SEC | Sep 20, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Sep 19, 2022 | Sep 15, 2022 |
| UPLOAD | Letter from the SEC | Sep 1, 2022 | — |
| S-1 | Registration statement | Aug 11, 2022 | — |
| 8-K/A | Amended current report | Aug 10, 2022 | Jul 21, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 10-Q | Quarterly report | Aug 10, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Aug 8, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Unregistered share sale
|
Aug 4, 2022 | Jul 29, 2022 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change to shareholder rights, Auditor change, Change in control, Officer or director change, Bylaw or fiscal year change
|
Jul 27, 2022 | Jul 21, 2022 |
| 25-NSE | Delisting notice | Jul 21, 2022 | — |
| 8-K |
Current report
Material agreement
|
Jul 18, 2022 | Jul 18, 2022 |
| 425 | Current report | Jul 18, 2022 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jul 18, 2022 | Jul 15, 2022 |
| 425 | Form 425 | Jul 12, 2022 | — |
| 425 | Form 425 | Jul 6, 2022 | — |
| 425 | Form 425 | Jun 28, 2022 | — |
| EFFECT | Filing | Jun 27, 2022 | — |
| 424B3 | Prospectus | Jun 27, 2022 | — |
| SEC STAFF LETTER | Filing | Jun 23, 2022 | — |
| CORRESP | Letter to the SEC | Jun 23, 2022 | — |
| S-4/A | Registration statement | Jun 21, 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 | — |
| S-4/A | Registration statement | Jun 14, 2022 | — |
| UPLOAD | Letter from the SEC | Jun 13, 2022 | — |
| S-4/A | Registration statement | May 31, 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 | — |
| 10-Q | Quarterly report | May 16, 2022 | Mar 31, 2022 |
| CORRESP | Letter to the SEC | May 12, 2022 | — |
| S-4/A | Registration statement | May 12, 2022 | — |
| 425 | Current report | May 12, 2022 | — |
| 8-K |
Current report
Material agreement
|
May 12, 2022 | May 10, 2022 |
| UPLOAD | Letter from the SEC | May 11, 2022 | — |
| 425 | Form 425 | May 9, 2022 | — |
| 425 | Form 425 | May 9, 2022 | — |
| S-4/A | Registration statement | 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 | — |
| S-4/A | Registration statement | Apr 18, 2022 | — |
| CORRESP | Letter to the SEC | Apr 15, 2022 | — |
| 425 | Form 425 | Apr 4, 2022 | — |
| S-4/A | Amendment no. 1 to form s-4 | Mar 25, 2022 | — |
| 10-K | Annual report | Mar 9, 2022 | Dec 31, 2021 |
| UPLOAD | Letter from the SEC | Mar 7, 2022 | — |
Showing 200 filings, the most recent 200. 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.
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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
- Sempra SRE
- Ugi Corp /PA/ UGI
- Montauk Renewables, Inc. MNTK
- Clean Energy Fuels Corp. CLNE
Source: SEC EDGAR filings. This is company-reported data, not investment advice.