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 |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Nov 2, 2026 |
| 8-K |
Current report
Other events
|
Nov 2, 2026 | Nov 2, 2026 |
| 424B2 | Prospectus | Nov 2, 2026 | — |
| S-3ASR | Automatic shelf registration | Nov 2, 2026 | — |
| 10-Q | Quarterly report | Nov 2, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 144 | Notice of proposed sale | Oct 1, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Sep 11, 2026 | — |
| 8-K |
Current report
Material agreement
|
Sep 10, 2026 | Sep 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 10, 2026 | Sep 8, 2026 |
| 424B2 | Prospectus | Sep 9, 2026 | — |
| FWP | Free writing prospectus | Sep 9, 2026 | — |
| 424B5 | Prospectus supplement | Sep 8, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 3, 2026 | Sep 3, 2026 |
| 424B2 | Prospectus | Sep 3, 2026 | — |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Aug 21, 2026 | Aug 21, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 10, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 144 | Notice of proposed sale | Aug 5, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 3, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 4, 2026 |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2026 | Aug 3, 2026 |
| 144 | Notice of proposed sale | Aug 3, 2026 | — |
| 3 | Initial insider ownership | Jul 22, 2026 | Jul 1, 2026 |
| 3 | Initial insider ownership | Jul 16, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 13, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 1, 2026 | Jul 1, 2026 |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 4 | Insider transaction | Jun 26, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 20, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| S-8 | Employee stock plan registration | May 20, 2026 | — |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 4 | Insider transaction | May 7, 2026 | May 6, 2026 |
| 144 | Notice of proposed sale | May 6, 2026 | — |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 4, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 4, 2026 | May 4, 2026 |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 28, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed sale | Apr 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| DEFA14A | Additional proxy material | Mar 26, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2026 | Mar 26, 2026 |
| ARS | Annual report to shareholders | Mar 18, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 18, 2026 | — |
| DEF 14A | Proxy statement | Mar 18, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 4 | Insider transaction | Feb 27, 2026 | Feb 26, 2026 |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 3 | Initial insider ownership | Feb 24, 2026 | Feb 21, 2026 |
| 3 | Initial insider ownership | Feb 24, 2026 | Feb 21, 2026 |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 10-K | Annual report | Feb 24, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2026 | Feb 10, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 2, 2026 |
| 144 | Notice of proposed sale | Feb 2, 2026 | — |
| 8-K |
Current report
Material agreement
|
Jan 8, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 8, 2026 | Jan 5, 2026 |
| 424B2 | Prospectus | Jan 6, 2026 | — |
| FWP | Free writing prospectus | Jan 6, 2026 | — |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 424B5 | Prospectus supplement | Jan 5, 2026 | — |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 144 | Notice of proposed sale | Dec 9, 2025 | — |
| 4 | Insider transaction | Dec 8, 2025 | Dec 5, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 1, 2025 | Dec 1, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 20, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 10, 2025 | — |
| 10-Q | Quarterly report | Nov 3, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 1, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 144 | Notice of proposed sale | Sep 4, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | Aug 29, 2025 | — |
| 4 | Insider transaction | Aug 12, 2025 | Aug 11, 2025 |
| 144 | Notice of proposed sale | Aug 11, 2025 | — |
| 144 | Notice of proposed sale | Aug 7, 2025 | — |
| 4 | Insider transaction | Aug 7, 2025 | Aug 6, 2025 |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2025 | Aug 4, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Aug 1, 2025 |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 3 | Initial insider ownership | Jul 15, 2025 | Jul 14, 2025 |
| 4 | Insider transaction | Jul 11, 2025 | Jul 9, 2025 |
| 3 | Initial insider ownership | Jul 8, 2025 | Jun 28, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 144 | Notice of proposed sale | Jul 1, 2025 | — |
| 8-K |
Current report
Material agreement
|
Jun 30, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 30, 2025 | Jun 26, 2025 |
| 424B2 | Prospectus | Jun 27, 2025 | — |
| FWP | Free writing prospectus | Jun 27, 2025 | — |
| 424B5 | Prospectus supplement | Jun 26, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 144 | Notice of proposed sale | Jun 2, 2025 | — |
| 144 | Notice of proposed sale | Jun 2, 2025 | — |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 4 | Insider transaction | May 8, 2025 | May 7, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
May 5, 2025 | Apr 29, 2025 |
| 10-Q | Quarterly report | May 5, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 5, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
May 2, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 144 | Notice of proposed sale | May 1, 2025 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 24, 2025 | Apr 22, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2025 | — |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 144 | Notice of proposed sale | Apr 1, 2025 | — |
| 3 | Initial insider ownership | Mar 26, 2025 | Mar 19, 2025 |
| ARS | Annual report to shareholders | Mar 19, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 19, 2025 | — |
| DEF 14A | Proxy statement | Mar 19, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 14, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 13, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 12, 2025 |
| 144 | Notice of proposed sale | Mar 12, 2025 | — |
| 4 | Insider transaction | Mar 10, 2025 | Mar 7, 2025 |
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
- 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.