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Form 8-K · Current Report · Filed 2026-09-03

Williams Companies Files Prospectus Supplement for Share Resale

On September 3, 2026, The Williams Companies, Inc.

Filer
Williams Companies Inc. WMB · NYSE
Filed
Accession
0001193125-26-381926
CIK
0000107263
Signal
Medium impactEnergy

Details

filed a prospectus supplement to its existing effective shelf registration statement on Form S-3, registering the resale by selling securityholders of up to 26,874,496 shares of the Company's common stock. This filing is in accordance with the Securities Act of 1933, as amended. An opinion regarding the validity of the Shares is attached as Exhibit 5.1.

Items reported

Item events

Reported Item

Securities Purchase Agreement

Market reaction

Close before filing

$75.16

Since filing

+0.0%

Latest close

$75.16

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from WMB reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, WMB insiders reported 9 Form 4 transactions — net selling of $1.5M.

Full WMB insider history →

About Williams Companies Inc.

Williams Companies Inc. is a prominent energy infrastructure company that primarily focuses on natural gas processing and transportation services. Its primary function is to facilitate the movement of natural gas from production sites to end users, playing a critical role in the energy sector. As one of the largest American midstream service providers, Williams operates a vast network of pipelines that span across strategic energy-producing regions, including the Gulf of Mexico, the Eastern seaboard, and the Pacific Northwest. A notable feature of Williams Companies Inc. is its extensive Transco pipeline system, which is the largest-volume natural gas pipeline in the United States, serving a broad range of markets from New York to the Gulf Coast. This makes Williams an integral part of the energy supply chain, impacting sectors like power generation, residential heating, and industrial manufacturing. Williams' market significance lies in its stable cash flows and strategic asset positioning, which enable it to efficiently connect supply and demand centers. With a focus on sustainability and reducing carbon emissions, Williams also invests in technologies like renewable natural gas and carbon capture, highlighting its dynamic role in transitioning to cleaner energy solutions.

Exchange NYSE Industry Oil & Gas Midstream Company website ↗

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