WMB Congressional Stock Trades & Insider Buying (2026)

WMB insider buying and selling over the past year

Insiders at WILLIAMS COMPANIES, INC. only sold stock in the open market over the past year: 9 Form 4 sales totaling $4.26M, against no open-market purchases.

Only 2 of the 9 sales were flagged as Rule 10b5-1 plan trades, so most selling was discretionary rather than pre-scheduled. Activity clustered in 2026-02 (3 trades) and 2026-03 (3 trades); the latest filing in this window is dated 2026-03-13. The average open-market sale price was $71.67; the last close of $71.28 is 0.5% below that level, so sellers exited above the current price. The single largest trade was a sale of 27,000 shares worth $1.97M on 2026-02-24. Since the most recent filing the stock has moved -2.8%, from $73.34.

Where WMB trades relative to its one-year range

WILLIAMS COMPANIES, INC. closed at $71.28 on 2026-10-16, inside a one-year range of $56.51 to $79.40. That puts the stock in the middle of its range, at 64.5% of the distance from low to high. Over one year the share price moved +14.0%, and over roughly three months -2.9%. Average daily volume over the last month was about 7,806,459 shares.

Across 78 companies in the same SEC industry group (SIC 49) with a full year of prices in Gemral Edge, the median one-year return was +0.8%. WMB is ahead of that median and beat 77% of that peer group on this measure.

Members of Congress who traded WMB

STOCK Act disclosures show 21 trades in WMB by 8 members of Congress over five years (13 purchases, 8 sales), most recently on 2026-08-20. The most active traders were Kevin Hern (R-OK), 6 trades; Alan Armstrong (R-OK), 4 trades; Jonathan L. Jackson (D-IL), 3 trades; Gilbert Ray Cisneros, Jr. (D-CA), 2 trades; Lisa C. McClain (R-MI), 2 trades.

By party the trades split 13 by Republicans, 8 by Democrats; by chamber, 17 from the House, 4 from the Senate.

WMB lobbying disclosures

WILLIAMS COMPANIES, INC. appears in 7 Lobbying Disclosure Act filings between 2018 and 2018, with $772.5K in reported lobbying spend.

Compare WMB with indexed peers from the same industry group

These peers have full Gemral Edge dossiers and the closest one-year price move to WMB:

• ET one-year return +21.5%
• WM one-year return +6.4%
• RSG one-year return +6.1%
• BKH one-year return +22.8%
• D one-year return +4.8%

Sources and method

Every figure above is computed from public filings stored in Gemral Edge, not estimated. Insider figures count only open-market purchases and sales reported on SEC Form 4; option exercises, grants and gifts are excluded because they do not reflect a decision to buy or sell at market prices.

• SEC EDGAR Form 4 (edge_insider_trades, codes P/S open-market only) — as of 2026-03-13
• edge_prices_eod (end-of-day close) — as of 2026-10-16
• House PTR / Senate eFD disclosures (edge_congress_trades) — as of 2026-08-20
• Senate LDA filings (edge_lobbying_filings)

WMB data questions

Are WMB insiders buying or selling stock?

Insiders at WILLIAMS COMPANIES, INC. only sold stock in the open market over the past year: 9 Form 4 sales totaling $4.26M, against no open-market purchases.

What is the one-year price range for WMB?

Based on end-of-day closes through 2026-10-16, WMB traded between $56.51 and $79.40, last closing at $71.28.

Has any member of Congress traded WMB stock?

Yes. 8 members disclosed 21 trades in WMB over five years; the most recent disclosed trade date is 2026-08-20.