Williams Companies, Inc. SEC filings WMB
Williams Companies, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Aug 2, 2016. Its latest annual report, Form ARS, was filed on Mar 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | Sep 11, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Aug 29, 2025 | — |
| 15-15D | Filing | Mar 4, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | Sep 16, 2024 | — |
| 11-K | Employee savings plan report | Jun 14, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Jun 8, 2023 | Dec 31, 2022 |
| 11-K | Employee savings plan report | Jun 9, 2022 | Dec 31, 2021 |
| 11-K | Employee savings plan report | Jun 10, 2021 | Dec 31, 2020 |
| 11-K | Employee savings plan report | Jun 11, 2020 | Dec 31, 2019 |
| CERT | Nyse certification filing | Mar 23, 2020 | — |
| 8-A12B | Filing | Mar 20, 2020 | — |
| 11-K | Employee savings plan report | Jun 14, 2019 | Dec 31, 2018 |
| 425 | Filing | Aug 3, 2018 | — |
| 425 | Filing | Jul 13, 2018 | — |
| EFFECT | Filing | Jul 12, 2018 | — |
| CORRESP | Letter to the SEC | Jul 9, 2018 | — |
| CORRESP | Letter to the SEC | Jun 27, 2018 | — |
| UPLOAD | Letter from the SEC | Jun 25, 2018 | — |
| 11-K | Employee savings plan report | Jun 14, 2018 | Dec 31, 2017 |
| 425 | Filing | May 18, 2018 | — |
| 425 | Filing | May 17, 2018 | — |
| 425 | Filing | May 17, 2018 | — |
| 425 | 8-k | May 17, 2018 | — |
| 11-K | Employee savings plan report | Jun 9, 2017 | Dec 31, 2016 |
| UPLOAD | Letter from the SEC | Nov 10, 2016 | — |
| CORRESP | Letter to the SEC | Oct 14, 2016 | — |
| UPLOAD | Letter from the SEC | Oct 3, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 14, 2016 | — |
| DFAN14A | Filing | Sep 12, 2016 | — |
| DFAN14A | Filing | Sep 9, 2016 | — |
| DFAN14A | Filing | Aug 24, 2016 | — |
Showing 31 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
- Natural Gas Transmission (SIC 4922)
- Listed as
- WMB (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Tulsa, OK
- SEC filer status
- Large accelerated filer
- SEC CIK
- 107263
- Former names
- WILLIAMS COMPANIES INC (until Jun 14, 2019)
Other Natural Gas Transmission companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.