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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Mar 26, 2026 | — |
| DEFA14A | Additional proxy material | Mar 18, 2026 | — |
| DEF 14A | Proxy statement | Mar 18, 2026 | Apr 28, 2026 |
| DEFA14A | Additional proxy material | Mar 19, 2025 | — |
| DEF 14A | Proxy statement | Mar 19, 2025 | Apr 29, 2025 |
| DEFA14A | Additional proxy material | Apr 11, 2024 | — |
| DEFA14A | Additional proxy material | Mar 20, 2024 | — |
| DEFA14A | Additional proxy material | Mar 20, 2024 | — |
| DEF 14A | Proxy statement | Mar 20, 2024 | Apr 30, 2024 |
| PRE 14A | Preliminary proxy statement | Feb 21, 2024 | Apr 30, 2024 |
| DEFA14A | Additional proxy material | Mar 16, 2023 | — |
| DEF 14A | Proxy statement | Mar 16, 2023 | — |
| DEFA14A | Additional proxy material | Mar 17, 2022 | — |
| DEF 14A | Proxy statement | Mar 17, 2022 | Apr 26, 2022 |
| DEFA14A | Additional proxy material | Mar 18, 2021 | — |
| DEF 14A | Proxy statement | Mar 18, 2021 | Apr 27, 2021 |
| DEFA14A | Additional proxy material | Apr 15, 2020 | — |
| DEFA14A | Additional proxy material | Mar 30, 2020 | — |
| DEFA14A | Additional proxy material | Mar 26, 2020 | — |
| DEFA14A | Additional proxy material | Mar 19, 2020 | — |
| DEF 14A | Proxy statement | Mar 19, 2020 | Apr 28, 2020 |
| DEFA14A | Additional proxy material | Mar 29, 2019 | — |
| DEFA14A | Additional proxy material | Mar 28, 2019 | — |
| DEF 14A | Proxy statement | Mar 28, 2019 | May 9, 2019 |
| DEF 14A | Proxy statement | Apr 11, 2018 | May 10, 2018 |
| DEF 14A | Proxy statement | Apr 7, 2017 | May 18, 2017 |
| DEFA14A | Additional proxy material | Nov 1, 2016 | — |
| DEF 14A | Proxy statement | Oct 19, 2016 | Nov 23, 2016 |
| DEFA14A | Additional proxy material | Sep 26, 2016 | — |
| DEFA14A | Additional proxy material | Sep 7, 2016 | — |
| DEFA14A | Additional proxy material | Sep 6, 2016 | — |
| DEFA14A | Additional proxy material | Aug 29, 2016 | — |
| DEFA14A | Additional proxy material | Aug 24, 2016 | — |
| DEFA14A | Additional proxy material | Aug 24, 2016 | — |
Showing 34 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.