Gregory Scott Floerke

Companies

• Marathon PetroleumChief operating officer Aug 5, 2022 to now¹
• MPLXChief operating officer Oct 13, 2016 to now²
• MPLXExec VP and CCO Dec 7, 2015 to Mar 4, 2020³
• MasTecChief Operations Officer Jan 11, 2005 to Jan 11, 2005⁴

Holdings

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

Shares held

• Marathon Petroleum MPC31,768 shares⁵$15.2M at $478.25Mar 3, 2026
• MMPLX MPLX95,337 shares⁶$5.5M at $58.19Mar 2, 2026

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

Recent filings

• Mar 2, 2026Shares withheld for tax 278 shares at $206.30 of Marathon Petroleum⁵
• Mar 2, 2026Shares withheld for tax 797 shares at $59.22 of MPLX⁶
• Mar 2, 2026Shares withheld for tax 251 shares at $206.30 of Marathon Petroleum⁵
• Mar 2, 2026Shares withheld for tax 1,100 shares at $59.22 of MPLX⁶
• Mar 2, 2026Shares withheld for tax 278 shares at $206.30 of Marathon Petroleum⁵
• Mar 2, 2026Shares withheld for tax 995 shares at $59.22 of MPLX⁶
• Mar 1, 2026Granted 1,730 shares of Marathon Petroleum⁵
• Mar 1, 2026Granted 5,986 shares of MPLX⁶
• Dec 12, 2025Shares withheld for tax 85 shares at $185.77 of Marathon Petroleum⁷
• Dec 12, 2025Shares withheld for tax 242 shares at $54.85 of MPLX⁸
• Mar 3, 2025Shares withheld for tax 251 shares at $148.65 of Marathon Petroleum⁹
• Mar 3, 2025Shares withheld for tax 1,100 shares at $54.34 of MPLX¹⁰
• Mar 3, 2025Shares withheld for tax 278 shares at $148.65 of Marathon Petroleum⁹
• Mar 3, 2025Shares withheld for tax 995 shares at $54.34 of MPLX¹⁰
• Mar 3, 2025Shares withheld for tax 445 shares at $148.65 of Marathon Petroleum⁹
• Mar 3, 2025Shares withheld for tax 1,054 shares at $54.34 of MPLX¹⁰
• Mar 1, 2025Granted 2,098 shares of Marathon Petroleum⁹
• Mar 1, 2025Granted 6,014 shares of MPLX¹⁰
• Dec 13, 2024Shares withheld for tax 77 shares at $145.56 of Marathon Petroleum¹¹
• Dec 13, 2024Shares withheld for tax 333 shares at $48.86 of MPLX¹²
• Mar 1, 2024Granted 1,896 shares of Marathon Petroleum¹³
• Mar 1, 2024Granted 8,303 shares of MPLX¹⁴
• Mar 1, 2024Shares withheld for tax 278 shares at $172.34 of Marathon Petroleum¹³
• Mar 1, 2024Shares withheld for tax 995 shares at $38.87 of MPLX¹⁴
• Mar 1, 2024Shares withheld for tax 445 shares at $172.34 of Marathon Petroleum¹³