The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $75.56 | $151K |
| Aug 14, 2026 | Wilson Terrance Lane | SVP & General Counsel | Gift(G) | 100 | — | $0 |
| Aug 14, 2026 | Wilson Terrance Lane | SVP & General Counsel | Gift(G) | 2K | — | $0 |
| Aug 14, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 10K | $74.88 | $764K |
| Aug 14, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 3K | $74.84 | $210K |
| Aug 6, 2026 | Wingo Robert R. | Executive Vice President | Tax withholding(F) | 8K | $71.76 | $590K |
| Aug 5, 2026 | Helms Lloyd W Jr | Director | Grant(A) | 3K | $71.81 | $200K |
| Aug 5, 2026 | Turner Robb E | Director | Grant(A) | 3K | $71.81 | $200K |
| Aug 3, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $70.65 | $141K |
| Jul 1, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $74.16 | $148K |
| Jun 25, 2026 | Porter John Dean | EVP & CFO | Option exercise(M) | 2K | $24.98 | $47K |
| Jun 25, 2026 | Porter John Dean | EVP & CFO | Tax withholding(F) | 1K | $77.62 | $91K |
| Jun 25, 2026 | Porter John Dean | EVP & CFO | Option exercise(M) | 2K | $24.98 | $47K |
| Jun 1, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $71.30 | $143K |
| May 19, 2026 | Bergstrom Stephen W | Director | Gift(G) | 16K | — | $0 |
| May 15, 2026 | Jasek Glen G. | Senior Vice President | Option exercise(M) | 836 | $28.15 | $24K |
| May 15, 2026 | Jasek Glen G. | Senior Vice President | Sell(S) | 836 | $78.13 | $65K |
| May 15, 2026 | Jasek Glen G. | Senior Vice President | Option exercise(M) | 2K | $29.09 | $48K |
| May 15, 2026 | Jasek Glen G. | Senior Vice President | Sell(S) | 2K | $78.17 | $130K |
| May 15, 2026 | Jasek Glen G. | Senior Vice President | Option exercise(M) | 836 | $28.15 | $24K |
| May 15, 2026 | Jasek Glen G. | Senior Vice President | Option exercise(M) | 2K | $29.09 | $48K |
| May 14, 2026 | Larsen Larry C | Executive Vice President & COO | Sell(S) | 12K | $76.49 | $918K |
| May 6, 2026 | Porter John Dean | EVP & CFO | Sell(S) | 50K | $75.37 | $3.8M |
| May 1, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $76.35 | $153K |
| Apr 28, 2026 | Sheffield Scott D | Director | Grant(A) | 5K | $73.04 | $356K |
| Apr 28, 2026 | Spence William H | Director | Grant(A) | 5K | $73.04 | $371K |
| Apr 28, 2026 | Bergstrom Stephen W | Director | Grant(A) | 10K | $73.04 | $756K |
| Apr 28, 2026 | Creel Michael A | Director | Grant(A) | 5K | $73.04 | $356K |
| Apr 28, 2026 | Lockhart Carri A. | Director | Grant(A) | 3K | $73.04 | $237K |
| Apr 28, 2026 | Tyson Jesse J | Director | Grant(A) | 3K | $73.04 | $249K |
| Apr 28, 2026 | Muncrief Richard E | Director | Grant(A) | 3K | $73.04 | $249K |
| Apr 28, 2026 | Robeson Rose M | Director | Grant(A) | 4K | $73.04 | $279K |
| Apr 28, 2026 | Ragauss Peter A | Director | Grant(A) | 5K | $73.04 | $356K |
| Apr 1, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $71.75 | $144K |
| Mar 13, 2026 | Fazel Payvand | Senior Vice President | Sell(S) | 3K | $73.15 | $212K |
| Mar 11, 2026 | Rinke Todd J. | Senior Vice President | Sell(S) | 7K | $74.39 | $548K |
| Mar 9, 2026 | Fazel Payvand | Senior Vice President | Tax withholding(F) | 1K | $73.18 | $107K |
| Mar 9, 2026 | Fazel Payvand | Senior Vice President | Grant(A) | 6K | $73.18 | $413K |
| Mar 9, 2026 | Fazel Payvand | Senior Vice President | Grant(A) | 5K | $73.18 | $390K |
| Mar 9, 2026 | Jasek Glen G. | Senior Vice President | Grant(A) | 6K | $73.18 | $413K |
| Mar 9, 2026 | Jasek Glen G. | Senior Vice President | Grant(A) | 5K | — | $0 |
| Mar 5, 2026 | Armstrong Alan S | Director | Other(J) | 241K | $72.98 | $17.6M |
| Mar 5, 2026 | Armstrong Alan S | Director | Other(J) | 241K | $72.98 | $17.6M |
| Mar 2, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 2K | $75.24 | $150K |
| Feb 26, 2026 | Hausman Mary A. | VP Chief Accounting Officer | Sell(S) | 10K | $74.91 | $757K |
| Feb 24, 2026 | Wilson Terrance Lane | SVP & General Counsel | Sell(S) | 27K | $72.92 | $2.0M |
| Feb 24, 2026 | Wilson Terrance Lane | SVP & General Counsel | Gift(G) | 3K | — | $0 |
| Feb 23, 2026 | Armstrong Alan S | Director | Tax withholding(F) | 130K | $72.98 | $9.5M |
| Feb 23, 2026 | Armstrong Alan S | Director | Option exercise(M) | 296K | $72.98 | $21.6M |
| Feb 23, 2026 | Armstrong Alan S | Director | Tax withholding(F) | 53K | $72.98 | $3.9M |
| Feb 23, 2026 | Armstrong Alan S | Director | Option exercise(M) | 296K | — | $0 |
| Feb 23, 2026 | Wilson Terrance Lane | SVP & General Counsel | Tax withholding(F) | 12K | $72.98 | $881K |
| Feb 23, 2026 | Wilson Terrance Lane | SVP & General Counsel | Tax withholding(F) | 20K | $72.98 | $1.4M |
| Feb 23, 2026 | Wilson Terrance Lane | SVP & General Counsel | Option exercise(M) | 44K | $72.98 | $3.2M |
| Feb 23, 2026 | Wilson Terrance Lane | SVP & General Counsel | Option exercise(M) | 44K | — | $0 |
| Feb 23, 2026 | Zamarin Chad J. | President and CEO, Director | Option exercise(M) | 74K | $72.98 | $5.4M |
| Feb 23, 2026 | Zamarin Chad J. | President and CEO, Director | Tax withholding(F) | 32K | $72.98 | $2.4M |
| Feb 23, 2026 | Zamarin Chad J. | President and CEO, Director | Tax withholding(F) | 21K | $72.98 | $1.5M |
| Feb 23, 2026 | Zamarin Chad J. | President and CEO, Director | Option exercise(M) | 74K | — | $0 |
| Feb 23, 2026 | Pickle Debbie L. | SVP & Chief HR Officer | Tax withholding(F) | 9K | $72.98 | $670K |
| Feb 23, 2026 | Pickle Debbie L. | SVP & Chief HR Officer | Tax withholding(F) | 14K | $72.98 | $1.0M |
| Feb 23, 2026 | Pickle Debbie L. | SVP & Chief HR Officer | Option exercise(M) | 32K | $72.98 | $2.3M |
| Feb 23, 2026 | Pickle Debbie L. | SVP & Chief HR Officer | Option exercise(M) | 32K | — | $0 |
| Feb 23, 2026 | Porter John Dean | EVP & CFO | Tax withholding(F) | 17K | $72.98 | $1.3M |
| Feb 23, 2026 | Porter John Dean | EVP & CFO | Option exercise(M) | 64K | $72.98 | $4.7M |
| Feb 23, 2026 | Porter John Dean | EVP & CFO | Tax withholding(F) | 28K | $72.98 | $2.1M |
| Feb 23, 2026 | Porter John Dean | EVP & CFO | Option exercise(M) | 64K | — | $0 |
| Feb 23, 2026 | Teply Chad A. | Senior Vice President | Tax withholding(F) | 15K | $72.98 | $1.1M |
| Feb 23, 2026 | Teply Chad A. | Senior Vice President | Option exercise(M) | 34K | $72.98 | $2.5M |
| Feb 23, 2026 | Teply Chad A. | Senior Vice President | Tax withholding(F) | 10K | $72.98 | $721K |
| Feb 23, 2026 | Teply Chad A. | Senior Vice President | Option exercise(M) | 34K | — | $0 |
| Feb 23, 2026 | Hausman Mary A. | VP Chief Accounting Officer | Tax withholding(F) | 3K | $72.98 | $250K |
| Feb 23, 2026 | Hausman Mary A. | VP Chief Accounting Officer | Tax withholding(F) | 3K | $72.98 | $250K |
| Feb 23, 2026 | Hausman Mary A. | VP Chief Accounting Officer | Option exercise(M) | 9K | $72.98 | $625K |
| Feb 23, 2026 | Hausman Mary A. | VP Chief Accounting Officer | Option exercise(M) | 9K | — | $0 |
| Feb 23, 2026 | Larsen Larry C | Executive Vice President & COO | Tax withholding(F) | 11K | $72.98 | $773K |
| Feb 23, 2026 | Larsen Larry C | Executive Vice President & COO | Tax withholding(F) | 16K | $72.98 | $1.2M |
| Feb 23, 2026 | Larsen Larry C | Executive Vice President & COO | Option exercise(M) | 37K | $72.98 | $2.7M |
| Feb 23, 2026 | Larsen Larry C | Executive Vice President & COO | Option exercise(M) | 37K | — | $0 |
| Feb 23, 2026 | Rinke Todd J. | Senior Vice President | Tax withholding(F) | 3K | $72.98 | $210K |
| Feb 23, 2026 | Rinke Todd J. | Senior Vice President | Option exercise(M) | 7K | $72.98 | $489K |
| Feb 23, 2026 | Rinke Todd J. | Senior Vice President | Tax withholding(F) | 3K | $72.98 | $221K |
| Feb 23, 2026 | Rinke Todd J. | Senior Vice President | Option exercise(M) | 7K | — | $0 |
| Feb 23, 2026 | Fazel Payvand | Senior Vice President | Option exercise(M) | 6K | $72.98 | $467K |
| Feb 23, 2026 | Fazel Payvand | Senior Vice President | Tax withholding(F) | 3K | $72.98 | $201K |
| Feb 23, 2026 | Fazel Payvand | Senior Vice President | Tax withholding(F) | 3K | $72.98 | $212K |
| Feb 23, 2026 | Fazel Payvand | Senior Vice President | Option exercise(M) | 6K | — | $0 |
| Feb 23, 2026 | Jasek Glen G. | Senior Vice President | Tax withholding(F) | 2K | $72.98 | $150K |
| Feb 23, 2026 | Jasek Glen G. | Senior Vice President | Tax withholding(F) | 2K | $72.98 | $169K |
| Feb 23, 2026 | Jasek Glen G. | Senior Vice President | Option exercise(M) | 6K | $72.98 | $410K |
| Feb 23, 2026 | Jasek Glen G. | Senior Vice President | Option exercise(M) | 6K | — | $0 |
| Feb 19, 2026 | Wingo Robert R. | Executive Vice President | Grant(A) | 19K | $72.17 | $1.4M |
| Feb 19, 2026 | Wingo Robert R. | Executive Vice President | Grant(A) | 18K | $72.17 | $1.3M |
| Feb 19, 2026 | Wilson Terrance Lane | SVP & General Counsel | Grant(A) | 14K | $72.17 | $1000K |
| Feb 19, 2026 | Wilson Terrance Lane | SVP & General Counsel | Grant(A) | 13K | $72.17 | $945K |
| Feb 19, 2026 | Zamarin Chad J. | President and CEO, Director | Grant(A) | 51K | $72.17 | $3.7M |
| Feb 19, 2026 | Zamarin Chad J. | President and CEO, Director | Grant(A) | 73K | $72.17 | $5.2M |
| Feb 19, 2026 | Pickle Debbie L. | SVP & Chief HR Officer | Grant(A) | 10K | $72.17 | $750K |
| Feb 19, 2026 | Pickle Debbie L. | SVP & Chief HR Officer | Grant(A) | 10K | $72.17 | $709K |
| Feb 19, 2026 | Porter John Dean | EVP & CFO | Grant(A) | 21K | $72.17 | $1.5M |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for WMB