Alan S. Armstrong

Companies

• Constellation EnergyBoard member Jan 5, 2026 to now¹
• BOK Financial CorporationBoard member May 10, 2013 to now²
• Williams CompaniesBoard member Jan 20, 2011 to now³
• Williams CompaniesChief executive officer Jan 20, 2011 to Feb 26, 2025³
• Williams CompaniesPresident Jan 20, 2011 to Feb 26, 2025³
• WPX EnergyBoard member Dec 5, 2011 to Dec 5, 2011⁴
• Williams CompaniesSr. Vice President - Midstream Feb 8, 2006 to Dec 8, 2010⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Williams Companies WMB222,088 shares⁶$15.8M at $71.32Mar 9, 2026
• BFBOK Financial Corporation BOKF5,300 shares⁷$661.6K at $124.83Jul 14, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 14, 2026Granted 144 shares at $138.55 of BOK Financial Corporation⁷
• Mar 5, 2026Other 241,248 shares at $72.98 of Williams Companies⁶
• Mar 5, 2026Other 241,248 shares at $72.98 of Williams Companies⁶
• Feb 23, 2026Shares withheld for tax 53,462 shares at $72.98 of Williams Companies⁸
• Feb 23, 2026Shares withheld for tax 129,633 shares at $72.98 of Williams Companies⁸
• Feb 23, 2026Exercised options 295,519 shares at $72.98 of Williams Companies⁸
• Dec 5, 2025Gift 12,200 shares of Williams Companies⁹
• Jul 14, 2025Granted 207 shares at $96.38 of BOK Financial Corporation¹⁰
• Feb 25, 2025Other 256,041 shares at $57.33 of Williams Companies¹¹
• Feb 25, 2025Other 256,041 shares at $57.33 of Williams Companies¹¹
• Feb 24, 2025Shares withheld for tax 51,564 shares at $57.33 of Williams Companies¹¹
• Feb 24, 2025Shares withheld for tax 145,238 shares at $57.33 of Williams Companies¹¹
• Feb 24, 2025Exercised options 329,337 shares at $57.33 of Williams Companies¹¹
• Feb 20, 2025Granted 71,856 shares at $58.45 of Williams Companies¹²
• Oct 15, 2024Shares withheld for tax 150,234 shares at $50.90 of Williams Companies¹³
• Oct 15, 2024Exercised options 51,059 shares at $49.15 of Williams Companies¹³
• Oct 15, 2024Exercised options 51,059 shares at $49.15 of Williams Companies¹³
• Oct 15, 2024Exercised options 51,059 shares at $49.15 of Williams Companies¹³
• Jul 12, 2024Granted 224 shares at $89.26 of BOK Financial Corporation¹⁴
• Feb 26, 2024Shares withheld for tax 62,861 shares at $34.72 of Williams Companies¹⁵
• Feb 26, 2024Shares withheld for tax 227,125 shares at $34.72 of Williams Companies¹⁵
• Feb 26, 2024Exercised options 515,022 shares of Williams Companies¹⁵
• Feb 22, 2024Granted 120,344 shares of Williams Companies¹⁶
• Jan 12, 2024Granted 75 shares at $85.89 of BOK Financial Corporation¹⁷
• Nov 22, 2023Shares withheld for tax 206,547 shares at $36.00 of Williams Companies¹⁸