Company facts
- Industry
- Natural Gas Transmission
- Headquarters
- Tulsa, Oklahoma
- Most recent report
- 8-K, filed Sep 3, 2026
- Incorporated
- Delaware
- Filings on record
- 1,001+ filings
- On EDGAR
- CIK 107263
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 41
News 8 of 143
Prospectuses and Registrations 8 of 46
- 424B5 Prospectus supplement for an offering Sep 8, 2026
- 424B2 Prospectus supplement for an offering Sep 3, 2026
- S-8 Registration statement for an employee plan May 20, 2026
- 424B2 Prospectus supplement for an offering Jan 6, 2026
- FWP Free writing prospectus Jan 6, 2026
- 424B5 Prospectus supplement for an offering Jan 5, 2026
- 424B2 Prospectus supplement for an offering Jun 27, 2025
- FWP Free writing prospectus Jun 27, 2025
Proxies 8 of 34
- DEFA14A Extra proxy material Mar 26, 2026
- DEFA14A Extra proxy material Mar 18, 2026
- DEF 14A Proxy statement for a shareholder vote Mar 18, 2026
- DEFA14A Extra proxy material Mar 19, 2025
- DEF 14A Proxy statement for a shareholder vote Mar 19, 2025
- DEFA14A Extra proxy material Apr 11, 2024
- DEFA14A Extra proxy material Mar 20, 2024
- DEFA14A Extra proxy material Mar 20, 2024
Ownership 8 of 703
- 4 Insider reported a trade Sep 2, 2026
- 144 Notice of a proposed sale of restricted stock Sep 1, 2026
- 4 Insider reported a trade Aug 17, 2026
- 144 Notice of a proposed sale of restricted stock Aug 14, 2026
- 4 Insider reported a trade Aug 10, 2026
- 4 Insider reported a trade Aug 7, 2026
- 4 Insider reported a trade Aug 7, 2026
- 144 Notice of a proposed sale of restricted stock Aug 5, 2026
Other 8 of 34
- ARS Annual report sent to shareholders Mar 18, 2026
- SD Conflict minerals disclosure Aug 29, 2025
- ARS Annual report sent to shareholders Mar 19, 2025
- 15-15D Mar 4, 2025
- SD Conflict minerals disclosure Sep 16, 2024
- 11-K Employee stock plan report Jun 14, 2024
- ARS Annual report sent to shareholders Mar 20, 2024
- 11-K Employee stock plan report Jun 8, 2023
What to read: Jun 2026 10-Q
SECSift found 2 of 11 sections worth reading, with 1 positive, 2 notable, and 1 negative flags.
Financial Statements (Item 1)
Comprehensive financials with major acquisitions, debt activity, and segment swings.Management's Discussion (Item 2)
MD&A with earnings, acquisitions, JV, liquidity, and project updates.
What changed: Jun 2026 vs. Mar 2026
About 17% of WMB's Jun 2026 10-Q is new information. 115 paragraphs were added, 163 changed, and 38 removed. Below are the most important lines SECSift identified.
New
- Added description of new $3.75B credit agreement and $1B 364-day facility entered in May 2026. Item 1
- Momentum Midstream Acquisition announced in July 2026 for up to $5.5B. Item 2
- Power Innovation Joint Venture: sold 49% interest in five projects for $5.34B in July 2026. Item 2
- New Note 11 on Subsequent Events covers Momentum acquisition and power innovation joint venture. Item 1
Changed
- Cash collateral excluded decreased from $327M to $245M. Item 3
- Note 5 on Income Taxes now includes a detailed table; prior version had only a paragraph. Item 1
- Reference updated from Note 10 to Note 9 due to filing structure. Item 1
- VaR tables now cover six months ended June 30, 2026 instead of three months. Item 3
Removed
Everything here comes from Williams Companies, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Aug 20, 2026, from the 10-Q for Jun 2026.