By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Insider activity at Williams Companies, Inc. has been all selling for a year now: about $11.1 million from seven sellers, and zero buyers with their own money.
Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.
Members of Congress reported 15 trades in WMB over the past two years (seven members). On the institutional side, 1,827 funds reported holding WMB at the end of Q2 2026, and funds were split between buying and selling. 7 quarters in a row of net selling by insiders. Insiders bought in 0 of the last 7 full quarters.
Are insiders buying or selling WMB stock?
In the last 12 months Williams Companies, Inc. insiders made open-market purchases worth about $0 and sales worth about $11.1 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in WMB?
The most recent open-market insider trade in WMB was filed on 2026-10-02.
How many institutions own WMB?
1,827 investment managers reported holding WMB in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded WMB?
Yes. Members of Congress reported 15 trades in WMB over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).