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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 23, 2026 | — |
| DEF 14A | Proxy statement | Apr 23, 2026 | Jun 17, 2026 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 18, 2025 |
| DEFA14A | Additional proxy material | Apr 22, 2024 | — |
| DEF 14A | Proxy statement | Apr 22, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | May 9, 2023 | May 9, 2023 |
Showing 7 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.