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Williams Companies WMB

Williams Companies is the 140th largest S&P 500 company by market cap, worth $87.7 billion. 12 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 12 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 11.2% of the company.

CEO
Chad J. Zamarin
Sector
Energy
Sub-industry
Oil & Gas Storage & Transportation
Headquarters
Tulsa, Oklahoma
Founded
1908
More
Wikipedia
Market cap
$87.7B
140th largest, 23 Oct 2026 close
Revenue
$11.9B
Fiscal year 2025
Price to sales
7.3
Market cap over revenue
Employees
5,987
10-K, 1 Feb 2026
Market cap per employee
$15M
Market cap over employees
Connections
2
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Williams Companies. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 32.9% of Williams Companies.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

2 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (12)
Chad J. ZamarinPresident and CEOLast filed 25 Feb 2026President and CEO
Stephen W. BergstromDirectorDirector
Michael A. CreelDirectorDirector
Lloyd W. Helms Jr.DirectorDirector
Carri A. LockhartDirectorDirector
Richard E. MuncriefDirectorDirector
Peter A. RagaussDirectorAlso at APADirector
Rose M. RobesonDirectorDirector
Scott D. SheffieldDirectorDirector
William H. SpenceDirectorAlso at Pinnacle West CapitalDirector
Robb E. TurnerDirectorDirector
Jesse J. TysonDirectorDirector
Officers (12)
John Dean PorterEVP & CFOLast filed 26 Jun 2026EVP & CFO
Payvand FazelSenior Vice PresidentLast filed 4 Aug 2026Senior Vice President
Mary A. HausmanVP Chief Accounting OfficerLast filed 27 Feb 2026VP Chief Accounting Officer
Glen G. JasekSenior Vice PresidentLast filed 4 Aug 2026Senior Vice President
Larry C. LarsenExecutive Vice President & COOLast filed 15 May 2026Executive Vice President & COO
Thomas F. McCoySenior Vice PresidentLast filed 4 Aug 2026Senior Vice President
Eric J. OrmondSenior Vice PresidentLast filed 4 Aug 2026Senior Vice President
Debbie L. PickleSVP & Chief HR OfficerLast filed 25 Feb 2026SVP & Chief HR Officer
Todd J. RinkeSenior Vice PresidentLast filed 4 Aug 2026Senior Vice President
Chad A. TeplySenior Vice PresidentLast filed 25 Feb 2026Senior Vice President
Terrance Lane WilsonSVP & General CounselLast filed 2 Sep 2026SVP & General Counsel
Robert R. WingoExecutive Vice PresidentLast filed 10 Aug 2026Executive Vice President

Source: SEC insider filings (Forms 3, 4 and 5), Williams Companies' Form 4 filings 路 All directors and officers

Companies that share people with Williams Companies

Each person's title here, then at the other company.

  • APA APA
    • Peter A. Ragauss: Director here, Director there
  • Pinnacle West Capital PNW
    • William H. Spence: Director here, Director there

Source: SEC insider filings 路 See the whole network

Williams Companies' market cap since December 2008

Marked weeks are changes in the share count, such as a merger, not market moves.

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$87.7B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 1 Feb 2026

Employees
5,987
As of February 1, 2026, Williams had 5,987 full-time employees located throughout the United States.
Williams Companies Form 10-K

Source: Williams Companies Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $11.0 million of stock in 19 sales and made no open-market purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
1 Sep 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale2,000$151K
14 Aug 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale13,000$973K
3 Aug 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale2,000$141K
1 Jul 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale2,000$148K
1 Jun 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale2,000$143K
15 May 2026SaleGlen G. JasekSenior Vice PresidentSenior Vice PresidentSale2,500$195K
14 May 2026SaleLarry C. LarsenExecutive Vice President & COOExecutive Vice President & COOSale12,000$918K
6 May 2026SaleJohn Dean PorterEVP & CFOEVP & CFOSale50,000$3.8M
1 May 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale2,000$153K
1 Apr 2026SaleTerrance Lane WilsonSVP & General CounselSVP & General CounselSale2,000$144K

Showing 10 of 19 trades

Source: SEC insider transactions data sets, Williams Companies' Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

10 people disclosed 11 purchases and 11 sales of Williams Companies stock since October 2023.

DateMember or officialTypeAmount
8 Sep 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 Sold optionsSale (options)$250,001 to $500,000$250K to $500K
20 Aug 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 Bought optionsPurchase (options)$15,001 to $50,000$15K to $50K
19 Aug 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 Bought optionsPurchase (options)$1,001 to $15,000$1K to $15K
24 Jun 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 SoldSale$5,000,001 to $25,000,000$5M to $25M
22 Jun 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 Sold optionsSale (options)$250,001 to $500,000$250K to $500K
12 Jun 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
27 Apr 2026Donald J Trump (President)President 路 SoldSale$15,001 to $50,000$15K to $50K
10 Feb 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
9 Jan 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
11 Jul 2025Ritchie John Torres (House, D-NY)House, D-NY 路 SoldSale$1,001 to $15,000$1K to $15K

Showing 10 of 22 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

Not on file: no WARN layoff notices under its own name since October 2023.