Michael J Hennigan Mplx LP (MPLX) insider trading activity

Michael J Hennigan is Executive Chairman of MPLX LP. Currently has a direct ownership of 359,137 shares of MPLX, which is worth approximately $19.1 Million. The most recent transaction as insider was on Dec 12, 2025, when has been sold 1,335 shares (Common Units (Limited Partner Interests)) at a price of $54.85 per share, resulting in proceeds of $73,224. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 359K

0.37% 3M change

0.53% 12M change

Total Value Held $19.1 Million

Michael J Hennigan Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 12 2025	SELL Payment of exercise price or tax liability	$73,224 $54.85 p/Share	1,335 Reduced 0.37%	359,137 Common Units (Limited ...
Mar 03 2025	SELL Payment of exercise price or tax liability	$1,638,568 $54.34 p/Share	30,154 Reduced 7.72%	360,472 Common Units (Limited ...
Mar 01 2025	BUY Grant, award, or other acquisition	-	33,377 Added 7.87%	390,626 Common Units (Limited ...
Dec 13 2024	SELL Payment of exercise price or tax liability	$150,049 $48.86 p/Share	3,071 Reduced 0.85%	357,249 Common Units (Limited ...
Mar 01 2024	SELL Payment of exercise price or tax liability	$1,266,773 $38.87 p/Share	32,590 Reduced 10.31%	283,517 Common Units (Limited ...
Mar 01 2024	BUY Grant, award, or other acquisition	-	76,803 Added 17.57%	360,320 Common Units (Limited ...
Dec 01 2023	SELL Payment of exercise price or tax liability	$113,783 $36.61 p/Share	3,108 Reduced 0.97%	316,107 Common Units (Limited ...

Mar 01 2023	SELL Payment of exercise price or tax liability	$876,038 $34.54 p/Share	25,363 Reduced 9.49%	241,870 Common Units (Limited ...
Mar 01 2023	BUY Grant, award, or other acquisition	-	77,345 Added 19.5%	319,215 Common Units (Limited ...
Jan 25 2023	BUY Grant, award, or other acquisition	-	3,843 Added 1.42%	267,233 Common Units (Limited ...
Dec 02 2022	SELL Payment of exercise price or tax liability	$196,595 $33.82 p/Share	5,813 Reduced 2.16%	263,390 Common Units (Limited ...
Mar 01 2022	SELL Payment of exercise price or tax liability	$602,056 $32.63 p/Share	18,451 Reduced 8.67%	194,279 Common Units (Limited ...
Mar 01 2022	BUY Grant, award, or other acquisition	-	74,924 Added 21.77%	269,203 Common Units (Limited ...
Jan 25 2022	BUY Grant, award, or other acquisition	-	3,014 Added 1.4%	212,730 Common Units (Limited ...
Mar 01 2021	SELL Payment of exercise price or tax liability	$200,704 $24.59 p/Share	8,162 Reduced 6.54%	116,548 Common Units (Limited ...
Mar 01 2021	BUY Grant, award, or other acquisition	-	93,168 Added 30.76%	209,716 Common Units (Limited ...
Jan 28 2021	BUY Grant, award, or other acquisition	-	7,984 Added 6.02%	124,710 Common Units (Limited ...
Dec 28 2020	SELL Payment of exercise price or tax liability	$13,652 $21.5 p/Share	635 Reduced 0.54%	116,726 Common Units (Limited ...

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