Donald C. Templin

Companies

• Aris Water Solutions, Inc.Board member Oct 21, 2021 to now¹
• Voya FinancialOfficer Nov 16, 2022 to Feb 12, 2025²
• MPLXBoard member Oct 24, 2012 to Nov 23, 2021³
• Marathon PetroleumEx. VP, Supply, Trans. & Mktg. Mar 4, 2015 to Feb 2, 2021⁴
• Marathon PetroleumPresident Feb 2, 2018 to Mar 5, 2018⁵
• MPLXPresident Feb 3, 2016 to Mar 3, 2017⁶
• MPLXExecutive VP Mar 4, 2015 to Aug 21, 2015⁷
• MPLXChief financial officer Oct 24, 2012 to Mar 3, 2015³
• Marathon PetroleumChief financial officer Jun 9, 2011 to Mar 3, 2015⁸

Holdings

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

Shares held

• MMPLX MPLX99,538 shares⁹$5.8M at $58.19Nov 23, 2021
• Voya Financial VOYA3,468 shares¹⁰$322.9K at $93.12Dec 5, 2024
• AWAris Water Solutions, Inc.0 shares¹¹Oct 15, 2025

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

Recent filings

• Oct 15, 2025Returned to company 124,906 shares of Aris Water Solutions, Inc.¹¹
• Mar 1, 2025Granted 5,901 shares of Aris Water Solutions, Inc.¹²
• Dec 5, 2024Shares withheld for tax 787 shares at $82.57 of Voya Financial¹⁰
• Jul 1, 2024Granted 9,352 shares of Aris Water Solutions, Inc.¹³
• Feb 20, 2024Shares withheld for tax 1,880 shares at $70.14 of Voya Financial¹⁴
• Feb 20, 2024Exercised options 6,135 shares of Voya Financial¹⁴
• Jul 1, 2023Granted 13,566 shares of Aris Water Solutions, Inc.¹⁵
• Jul 1, 2022Granted 8,394 shares of Aris Water Solutions, Inc.¹⁶
• Nov 19, 2021Granted 70 shares of MPLX⁹
• Oct 26, 2021Granted 10,770 shares of Aris Water Solutions, Inc.¹⁷
• Oct 26, 2021Bought 76,923 shares at $13.00 of Aris Water Solutions, Inc.¹⁷
• Oct 1, 2021Granted 950 shares of MPLX¹⁸