Company facts
- Industry
- Natural Gas Transmission
- Headquarters
- Tulsa, Oklahoma
- Most recent report
- 10-Q, filed Aug 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 142
Prospectuses and Registrations 8 of 44
- 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
- 424B5 Prospectus supplement for an offering Jun 26, 2025
- S-8 POS Post-effective amendment to an employee plan registration Mar 4, 2025
Proxies 8 of 37
- 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 701
- 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
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Aug 4, 2026
Other 8 of 36
- 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
Everything here comes from Williams Companies, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.