Maryann T. Mannen

MPC

Maryann T. Mannen serves as President & CEO at Marathon Petroleum Corporation (MPC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$1.16M

Net Position

Net Seller

$1.16M

Companies Traded

MPC, MPLX

Active Period

Mar 2025 – Aug 2025

3 total trades

Most Recent

Sell MPC

Aug 5, 2025 · $151.1K

Maryann T. Mannen's Insider Trading at Marathon Petroleum Corporation (MPC)

Buys

0 · $0.00

Sells

2 · $614.7K

Total Shares Bought

Total Shares Sold

4,027

MPC Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 5, 2025↗	Sell	908	$166.39	$151.1K	0
Mar 4, 2025↗	Sell	3,119	$148.65	$463.6K	0

Maryann T. Mannen's Insider Trading at MPLX Lp (MPLX)

Buys

0 · $0.00

Sells

1 · $548.9K

Total Shares Bought

Total Shares Sold

10,101

MPLX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 1, 2025↗	Sell	10,101	$54.34	$548.9K	0

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Gregory Scott Floerke

Exec. VP and COO

MPLXSell · Dec 12, 2025

Michael J Hennigan

Executive Chairman

MPCSell · Dec 12, 2025

Michael J Hennigan

Executive Chairman

MPLXSell · Dec 12, 2025

Michael A Henschen II

Ex VP, Refining

MPCSell · Dec 12, 2025

Ricky D. Hessling

Chief Commercial Officer

MPCSell · Dec 12, 2025

Shawn M Lyon

Senior VP, Log. & Storage

MPLXSell · Dec 12, 2025

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