Richard J. Mark

Companies

• SempraBoard member Aug 22, 2023 to now¹
• Tenet HealthcareBoard member Nov 15, 2017 to now²
• Ameren Illinois CoChief executive officer Jun 25, 2012 to Jun 25, 2012³
• Ameren Illinois CoPresident Jun 25, 2012 to Jun 25, 2012³
• AmerenSenior VP of Subsidiary Feb 28, 2011 to Mar 3, 2011⁴

Holdings

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

Shares held

• Ameren AEE158,242 shares⁵$16.8M at $106.19Apr 4, 2022
• Tenet Healthcare THC25,121 shares⁶$6.7M at $267.62Sep 10, 2026
• Sempra SRE18,913 shares⁷$1.6M at $83.46May 12, 2026

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

Recent filings

• Sep 10, 2026Sold 10,000 shares at $263.42 of Tenet Healthcare⁶
• May 22, 2026Returned to company 493 shares at $173.78 of Tenet Healthcare⁸
• May 22, 2026Exercised options 1,333 shares of Tenet Healthcare⁸
• May 12, 2026Granted 1,499 shares of Sempra⁷
• Mar 11, 2026Bought 2,692 shares at $93.30 of Sempra⁹
• May 23, 2025Returned to company 573 shares at $161.33 of Tenet Healthcare¹⁰
• May 23, 2025Exercised options 1,551 shares of Tenet Healthcare¹⁰
• May 13, 2025Granted 1,864 shares of Sempra¹¹
• May 13, 2025Granted 1,864 shares of Sempra¹²
• Mar 6, 2025Bought 7,160 shares at $69.81 of Sempra¹³
• May 17, 2024Bought 1,925 shares at $77.97 of Sempra¹⁴
• May 9, 2024Granted 1,642 shares of Sempra¹⁵
• Mar 12, 2024Sold 14,000 shares at $98.98 of Tenet Healthcare¹⁶
• Sep 5, 2023Granted 1,807 shares of Sempra¹⁷
• May 26, 2023Granted 3,682 shares of Tenet Healthcare¹⁸
• May 26, 2023Granted 2,846 shares of Tenet Healthcare¹⁹
• May 9, 2022Granted 3,836 shares of Tenet Healthcare²⁰
• Mar 31, 2022Sold 6,000 shares at $93.67 of Ameren⁵
• Mar 10, 2022Sold 3,500 shares at $87.37 of Ameren²¹
• Mar 9, 2022Sold 6,000 shares at $90.47 of Tenet Healthcare²²
• Feb 28, 2022Shares withheld for tax 7,205 shares at $85.95 of Ameren²³
• Feb 10, 2022Granted 3,405 shares of Ameren²⁴
• Feb 10, 2022Granted 14,500 shares of Ameren²⁴
• Sep 30, 2021Sold 6,000 shares at $82.18 of Ameren²³
• May 7, 2021Granted 3,960 shares of Tenet Healthcare²⁵

Trade performance

Returns are price-only (no dividends), measured from the trade date.