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 |
|---|---|---|---|
| S-3/A | Filing | Sep 14, 2026 | — |
| S-3 | Shelf registration | Sep 4, 2026 | — |
| 424B3 | Prospectus | Nov 17, 2023 | — |
| S-3/A | Amendment no. 1 to form s-3 | Aug 11, 2023 | — |
| 424B3 | Prospectus | Aug 11, 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 | — |
| 424B3 | Prospectus | May 15, 2023 | — |
| 424B3 | Prospectus | May 15, 2023 | — |
| POS AM | Filing | May 4, 2023 | — |
| POS AM | Filing | May 3, 2023 | — |
| 424B3 | Prospectus | Dec 22, 2022 | — |
| 424B3 | Prospectus | Dec 22, 2022 | — |
| 424B3 | Prospectus | Dec 19, 2022 | — |
| 424B3 | Prospectus | Dec 15, 2022 | — |
| 424B3 | Prospectus | Nov 22, 2022 | — |
| 424B3 | Prospectus | Nov 18, 2022 | — |
| S-4 | Registration for a merger or exchange | Nov 18, 2022 | — |
| 424B3 | Prospectus | Nov 15, 2022 | — |
| 424B3 | Prospectus | Nov 8, 2022 | — |
| S-1/A | Amended registration statement | Nov 4, 2022 | — |
| S-1/A | Amended registration statement | Nov 2, 2022 | — |
| S-1/A | Amended registration statement | Oct 14, 2022 | — |
| S-8 | Employee stock plan registration | Oct 3, 2022 | — |
| S-1/A | Amended registration statement | Sep 20, 2022 | — |
| S-1 | Registration statement | Aug 11, 2022 | — |
| 424B3 | Prospectus | Jun 27, 2022 | — |
| S-4/A | Registration statement | Jun 21, 2022 | — |
| S-4/A | Registration statement | Jun 14, 2022 | — |
| S-4/A | Registration statement | May 31, 2022 | — |
| S-4/A | Registration statement | May 12, 2022 | — |
| S-4/A | Registration statement | May 9, 2022 | — |
| S-4/A | Registration statement | Apr 18, 2022 | — |
| S-4/A | Amendment no. 1 to form s-4 | Mar 25, 2022 | — |
| S-4 | Registration for a merger or exchange | Feb 8, 2022 | — |
| 424B4 | Prospectus | Mar 24, 2021 | — |
| S-1MEF | Filing | Mar 22, 2021 | — |
| S-1/A | Amended registration statement | Mar 9, 2021 | — |
| S-1 | Registration statement | Feb 4, 2021 | — |
Showing 39 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.
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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.