Alan S. Armstrong - 23 Feb 2026 Form 4 Insider Report for WILLIAMS COMPANIES, INC. (WMB)

Reporting relationship: Director
Issuer ticker: WMB
Reported as of: 23 Feb 2026
Net transaction value: +$8,204,704
SEC form: 4
Accepted by SEC: 25 Feb 2026, 16:35:37 UTC
Prior SEC filing: 20 Feb 2026
Next SEC filing: 09 Mar 2026
Source filing: View source filing
Reporting owner signature: Cheryl L. Mahon, Attorney-in-fact

Key filing fact

Alan S. Armstrong filed Form 4 for WILLIAMS COMPANIES, INC. (WMB) on 25 Feb 2026.

Key facts

This page summarizes Alan S. Armstrong's Form 4 filing for WILLIAMS COMPANIES, INC. (WMB).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 25 Feb 2026, 16:35.

Change

Previous filing in this sequence was filed on 20 Feb 2026.
Current net transaction value: +$8,204,704.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001208475 Primary reporting owner

ARMSTRONG ALAN S

Relationship: Director
Address: ONE WILLIAMS CENTER, TULSA
Signature: Cheryl L. Mahon, Attorney-in-fact
Signature date: 25 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WMB transaction

Common Stock

Options Exercise

Transaction value: $21,566,977
Shares: +295,519
Change %: +92%
Price: $72.98
Shares after: 616,543
Date: 23 Feb 2026
Ownership: Direct
Footnotes: F1

WMB transaction

Common Stock

Tax liability

Transaction value: $9,460,616
Shares: -129,633
Change %: -21%
Price: $72.98
Shares after: 486,910
Date: 23 Feb 2026
Ownership: Direct
Footnotes: F2

WMB transaction

Common Stock

Tax liability

Transaction value: $3,901,657
Shares: -53,462
Change %: -11%
Price: $72.98
Shares after: 433,448
Date: 23 Feb 2026
Ownership: Direct
Footnotes: F3

WMB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 29,888
Date: 23 Feb 2026
Ownership: By Trust

WMB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,262,261
Date: 23 Feb 2026
Ownership: By CCJG Investments, LLC

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WMB transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -295,519
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 23 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 295,519
Exercise price: $0.000000
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Shares of common stock vesting pursuant to a 2023 performance-based RSU grant agreement between the Reporting Person and the Issuer and including an adjustment for performance at greater than target as certified by the Issuer's Compensation and Management Development Committee.

Footnote F2

A portion of the shares of common stock in footnote (1) were withheld by the Issuer to satisfy tax withholdings of the Reporting Person.

Footnote F3

Shares of common stock withheld by Issuer to satisfy tax withholdings of the Reporting Person in connection with a 2023 grant of time-based restricted stock units previously reported on an as-owned basis in Table I.

Footnote F4

Performance-based restricted stock units. Vesting is subject to applicable grant agreement and Compensation and Management Development Committee certification that the Company has met the applicable three year performance measures for certain financial metrics not solely tied to the market price of issuer securities. The payout will range from 0 percent to 200 percent of the awarded number of units.