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$MPLX

$58.49 +$0.04 (0.07%)

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$MPLX Overview Financials SEC Filings Executives News

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Insider Transactions

Insider Transaction Summary

Investment LLC MPC

504,701,934 shares

Net: 0 B/S: -

Holdings Inc. MPLX

99,579,689 shares

Net: 0 B/S: -

Logistics Holdings LLC MPLX

79,466,136 shares

Net: 0 B/S: -

JOHN C MOLLENKOPF

413,452 shares

Net: 0 B/S: -

Gregory James Goff

385,168 shares

Net: 0 B/S: -

Michael J Hennigan

359,137 shares

Net: -1,335 B/S: -

Nancy Buese

187,779 shares

Net: 0 B/S: -

RANDY S NICKERSON

177,552 shares

Net: 0 B/S: -

Maryann T. Mannen

175,272 shares

Net: +49,410 B/S: ∞

Gary R. Heminger

138,104 shares

Net: 0 B/S: -

DAN D SANDMAN

127,542 shares

Net: 0 B/S: -

C Corwin Bromley

121,205 shares

Net: 0 B/S: -

Gregory Scott Floerke

97,234 shares

Net: +4,749 B/S: ∞

JOHN P SURMA

93,426 shares

Net: +8,806 B/S: ∞

CHRISTOPHER A HELMS

84,413 shares

Net: +7,565 B/S: ∞

Donald C. Templin

81,538 shares

Net: 0 B/S: -

Garry L. Peiffer

67,623 shares

Net: +7,136 B/S: ∞

Suzanne Gagle

67,205 shares

Net: 0 B/S: -

FRANK M SEMPLE

61,946 shares

Net: +7,029 B/S: ∞

J MICHAEL STICE

56,973 shares

Net: +6,659 B/S: ∞

John J Quaid

56,052 shares

Net: 0 B/S: -

MICHAEL L BEATTY

51,726 shares

Net: 0 B/S: -

Molly R Benson

48,352 shares

Net: +7,883 B/S: ∞

Paula L Rosson

45,480 shares

Net: 0 B/S: -

Pamela K.M. Beall

43,247 shares

Net: 0 B/S: -

Timothy T. Griffith

36,846 shares

Net: 0 B/S: -

Timothy J Aydt

34,371 shares

Net: 0 B/S: -

Shawn M Lyon

30,120 shares

Net: +4,821 B/S: ∞

John S Swearingen

26,738 shares

Net: 0 B/S: -

David A. Daberko

23,872 shares

Net: 0 B/S: -

CARL KRISTOPHER HAGEDORN

21,988 shares

Net: +4,508 B/S: ∞

C. Richard Wilson

20,616 shares

Net: 0 B/S: -

Thomas Kaczynski

18,091 shares

Net: 0 B/S: -

Christine S Breves

14,361 shares

Net: +3,186 B/S: ∞

Maria A Khoury

8,451 shares

Net: +8,451 B/S: ∞

Craig O. Pierson

4,981 shares

Net: 0 B/S: -

Ray N JR Walker

4,069 shares

Net: +4,069 B/S: ∞

Petroleum Corp Marathon

0 shares

Net: 0 B/S: -

GP LLC MPLX

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Investment LLC MPC	504,701,934	0	-
Holdings Inc. MPLX	99,579,689	0	-
Logistics Holdings LLC MPLX	79,466,136	0	-
JOHN C MOLLENKOPF	413,452	0	-
Gregory James Goff	385,168	0	-
Michael J Hennigan	359,137	-1,335	-
Nancy Buese	187,779	0	-
RANDY S NICKERSON	177,552	0	-
Maryann T. Mannen	175,272	+49,410	∞
Gary R. Heminger	138,104	0	-
DAN D SANDMAN	127,542	0	-
C Corwin Bromley	121,205	0	-
Gregory Scott Floerke	97,234	+4,749	∞
JOHN P SURMA	93,426	+8,806	∞
CHRISTOPHER A HELMS	84,413	+7,565	∞
Donald C. Templin	81,538	0	-
Garry L. Peiffer	67,623	+7,136	∞
Suzanne Gagle	67,205	0	-
FRANK M SEMPLE	61,946	+7,029	∞
J MICHAEL STICE	56,973	+6,659	∞
John J Quaid	56,052	0	-
MICHAEL L BEATTY	51,726	0	-
Molly R Benson	48,352	+7,883	∞
Paula L Rosson	45,480	0	-
Pamela K.M. Beall	43,247	0	-
Timothy T. Griffith	36,846	0	-
Timothy J Aydt	34,371	0	-
Shawn M Lyon	30,120	+4,821	∞
John S Swearingen	26,738	0	-
David A. Daberko	23,872	0	-
CARL KRISTOPHER HAGEDORN	21,988	+4,508	∞
C. Richard Wilson	20,616	0	-
Thomas Kaczynski	18,091	0	-
Christine S Breves	14,361	+3,186	∞
Maria A Khoury	8,451	+8,451	∞
Craig O. Pierson	4,981	0	-
Ray N JR Walker	4,069	+4,069	∞
Petroleum Corp Marathon	0	0	-
GP LLC MPLX	0	0	-

Individual Transactions

May 15, 2026

CHRISTOPHER A HELMS

Grant/Award Acquisition

Change: +1,415

Price: $0.00

Shares: 84,413

Value: +$0

JOHN P SURMA

Grant/Award Acquisition

Change: +1,656

Price: $0.00

Shares: 93,426

Value: +$0

FRANK M SEMPLE

Grant/Award Acquisition

Change: +1,194

Price: $0.00

Shares: 61,946

Value: +$0

Ray N JR Walker

Grant/Award Acquisition

Change: +78

Price: $0.00

Shares: 4,069

Value: +$0

J MICHAEL STICE

Grant/Award Acquisition

Change: +1,098

Price: $0.00

Shares: 56,973

Value: +$0

Garry L. Peiffer

Grant/Award Acquisition

Change: +1,304

Price: $0.00

Shares: 67,623

Value: +$0

Christine S Breves

Grant/Award Acquisition

Change: +277

Price: $0.00

Shares: 14,361

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHRISTOPHER A HELMS	May 19	Grant/Award Acquisition (A) Compensation/Award	84,413	+1,415	$0.00	+$0
JOHN P SURMA	May 19	Grant/Award Acquisition (A) Compensation/Award	93,426	+1,656	$0.00	+$0
FRANK M SEMPLE	May 19	Grant/Award Acquisition (A) Compensation/Award	61,946	+1,194	$0.00	+$0
Ray N JR Walker	May 19	Grant/Award Acquisition (A) Compensation/Award	4,069	+78	$0.00	+$0
J MICHAEL STICE	May 19	Grant/Award Acquisition (A) Compensation/Award	56,973	+1,098	$0.00	+$0
Garry L. Peiffer	May 19	Grant/Award Acquisition (A) Compensation/Award	67,623	+1,304	$0.00	+$0
Christine S Breves	May 19	Grant/Award Acquisition (A) Compensation/Award	14,361	+277	$0.00	+$0

April 30, 2026

Christine S Breves

Grant/Award Acquisition

Change: +2,247

Price: $0.00

Shares: 14,084

Value: +$0

Garry L. Peiffer

Grant/Award Acquisition

Change: +2,247

Price: $0.00

Shares: 66,319

Value: +$0

J MICHAEL STICE

Grant/Award Acquisition

Change: +2,580

Price: $0.00

Shares: 55,875

Value: +$0

Ray N JR Walker

Grant/Award Acquisition

Change: +2,247

Price: $0.00

Shares: 3,991

Value: +$0

FRANK M SEMPLE

Grant/Award Acquisition

Change: +2,580

Price: $0.00

Shares: 60,752

Value: +$0

JOHN P SURMA

Grant/Award Acquisition

Change: +2,580

Price: $0.00

Shares: 91,770

Value: +$0

CHRISTOPHER A HELMS

Grant/Award Acquisition

Change: +2,247

Price: $0.00

Shares: 82,998

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Christine S Breves	May 04	Grant/Award Acquisition (A) Compensation/Award	14,084	+2,247	$0.00	+$0
Garry L. Peiffer	May 04	Grant/Award Acquisition (A) Compensation/Award	66,319	+2,247	$0.00	+$0
J MICHAEL STICE	May 04	Grant/Award Acquisition (A) Compensation/Award	55,875	+2,580	$0.00	+$0
Ray N JR Walker	May 04	Grant/Award Acquisition (A) Compensation/Award	3,991	+2,247	$0.00	+$0
FRANK M SEMPLE	May 04	Grant/Award Acquisition (A) Compensation/Award	60,752	+2,580	$0.00	+$0
JOHN P SURMA	May 04	Grant/Award Acquisition (A) Compensation/Award	91,770	+2,580	$0.00	+$0
CHRISTOPHER A HELMS	May 04	Grant/Award Acquisition (A) Compensation/Award	82,998	+2,247	$0.00	+$0

March 02, 2026

Molly R Benson

Tax Payment

Change: -614

Price: $59.22

Shares: 48,352

Value: -$36,361

Shawn M Lyon

Tax Payment

Change: -920

Price: $59.22

Shares: 30,120

Value: -$54,482

CARL KRISTOPHER HAGEDORN

Tax Payment

Change: -422

Price: $59.22

Shares: 21,988

Value: -$24,990

Maryann T. Mannen

Tax Payment

Change: -3,407

Price: $59.22

Shares: 175,272

Value: -$201,762

Gregory Scott Floerke

Tax Payment

Change: -995

Price: $59.22

Shares: 97,234

Value: -$58,923

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Molly R Benson	Mar 03	Tax Payment (F) Tax Payment	48,352	-614	$59.22	-$36,361
Shawn M Lyon	Mar 03	Tax Payment (F) Tax Payment	30,120	-920	$59.22	-$54,482
CARL KRISTOPHER HAGEDORN	Mar 03	Tax Payment (F) Tax Payment	21,988	-422	$59.22	-$24,990
Maryann T. Mannen	Mar 03	Tax Payment (F) Tax Payment	175,272	-3,407	$59.22	-$201,762
Gregory Scott Floerke	Mar 03	Tax Payment (F) Tax Payment	97,234	-995	$59.22	-$58,923

March 01, 2026

Maria A Khoury

Grant/Award Acquisition

Change: +8,451

Price: $0.00

Shares: 8,451

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Maria A Khoury	Mar 03	Grant/Award Acquisition (A) Compensation/Award	8,451	+8,451	$0.00	+$0