Molly R Benson

CIK 2005019 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 8, 2024 · Latest: Jan. 8, 2024

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 3 sells (S) Net: $-6,165,970 + 29 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

29 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 17, 2026	MPC	M	7,196	$47.73	$343,465	37,530 Direct	+23.72%	Acquired	663.5% (price as of 2026-08-20)
Aug. 17, 2026	MPC	S 10b5-1	7,196	$358.57	$2,580,270	30,334 Direct	-19.17%	Disposed	1.6% (price as of 2026-08-20)
Aug. 17, 2026	MPC	M	5,000	$47.73	$238,650	35,334 Direct	+16.48%	Acquired	663.5% (price as of 2026-08-20)
Aug. 17, 2026	MPC	S 10b5-1	5,000	$358.57	$1,792,850	30,334 Direct	-14.15%	Disposed	1.6% (price as of 2026-08-20)
Aug. 17, 2026	MPC	M	5,000	$47.73	$238,650	35,334 Direct	+16.48%	Acquired	663.5% (price as of 2026-08-20)
Aug. 17, 2026	MPC	S 10b5-1	5,000	$358.57	$1,792,850	30,334 Direct	-14.15%	Disposed	1.6% (price as of 2026-08-20)
Aug. 17, 2026	MPC	M	7,196	—	—	10,000 Direct	-41.85%	Disposed	(price as of 2026-08-20)
Aug. 17, 2026	MPC	M	5,000	—	—	5,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Aug. 17, 2026	MPC	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 12, 2025	MPLX	F	306	$54.85	$16,784	40,163 Direct	-0.76%	Disposed	7.1% (price as of 2026-08-20)
Dec. 12, 2025	MPC	F	107	$185.77	$19,877	28,593 Direct	-0.37%	Disposed	96.2% (price as of 2026-08-20)
Aug. 15, 2025	MPC	M	10,879	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 15, 2025	MPC	S 10b5-1	10,879	$163.00	$1,773,277	28,700 Direct	-27.49%	Disposed	123.6% (price as of 2026-08-20)
Aug. 15, 2025	MPC	M	10,879	$62.68	$681,896	39,579 Direct	+37.91%	Acquired	481.4% (price as of 2026-08-20)
March 3, 2025	MPLX	F	580	$54.34	$31,517	42,356 Direct	-1.35%	Disposed	8.1% (price as of 2026-08-20)
March 3, 2025	MPLX	F	1,262	$54.34	$68,577	40,469 Direct	-3.02%	Disposed	8.1% (price as of 2026-08-20)
March 3, 2025	MPLX	F	625	$54.34	$33,962	41,731 Direct	-1.48%	Disposed	8.1% (price as of 2026-08-20)
March 3, 2025	MPC	F	289	$148.65	$42,960	28,700 Direct	-1.00%	Disposed	145.2% (price as of 2026-08-20)
March 3, 2025	MPC	F	175	$148.65	$26,014	28,989 Direct	-0.60%	Disposed	145.2% (price as of 2026-08-20)
March 3, 2025	MPC	F	245	$148.65	$36,419	29,164 Direct	-0.83%	Disposed	145.2% (price as of 2026-08-20)
March 1, 2025	MPLX	A	7,517	—	—	42,936 Direct	+21.22%	Acquired	(price as of 2026-08-20)
March 1, 2025	MPC	A	2,623	—	—	29,409 Direct	+9.79%	Acquired	(price as of 2026-08-20)
Dec. 13, 2024	MPLX	F	381	$48.86	$18,616	35,419 Direct	-1.06%	Disposed	20.3% (price as of 2026-08-20)
Dec. 13, 2024	MPC	F	87	$145.56	$12,664	26,786 Direct	-0.32%	Disposed	150.4% (price as of 2026-08-20)
April 1, 2024	MPC	F	480	$202.48	$97,190	26,872 Direct	-1.75%	Disposed	80.0% (price as of 2026-08-20)
March 1, 2024	MPC	A	2,133	—	—	27,352 Direct	+8.46%	Acquired	(price as of 2026-08-20)
March 1, 2024	MPC	F	172	$172.34	$29,642	25,219 Direct	-0.68%	Disposed	111.5% (price as of 2026-08-20)
March 1, 2024	MPC	F	241	$172.34	$41,534	25,391 Direct	-0.94%	Disposed	111.5% (price as of 2026-08-20)
March 1, 2024	MPC	F	367	$172.34	$63,249	25,632 Direct	-1.41%	Disposed	111.5% (price as of 2026-08-20)
March 1, 2024	MPLX	A	9,341	—	—	35,800 Direct	+35.30%	Acquired	(price as of 2026-08-20)
March 1, 2024	MPLX	F	613	$38.87	$23,827	26,459 Direct	-2.26%	Disposed	51.2% (price as of 2026-08-20)
March 1, 2024	MPLX	F	569	$38.87	$22,117	27,072 Direct	-2.06%	Disposed	51.2% (price as of 2026-08-20)
March 1, 2024	MPLX	F	771	$38.87	$29,969	27,641 Direct	-2.71%	Disposed	51.2% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 17, 2026	MPC	Employee Stock Option (right to buy)	Common Stock (7,196)	$47.73	March 1, 2030	7,196	Disposed
Aug. 17, 2026	MPC	Employee Stock Option (right to buy)	Common Stock (5,000)	$47.73	March 1, 2030	5,000	Disposed
Aug. 17, 2026	MPC	Employee Stock Option (right to buy)	Common Stock (5,000)	$47.73	March 1, 2030	5,000	Disposed
Aug. 15, 2025	MPC	Employee Stock Option (right to buy)	Common Stock (10,879)	$62.68	March 1, 2029	10,879	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Jan. 8, 2024	MPC	Common Stock	25,999	Direct
Jan. 8, 2024	MPC	Common Stock	83	Indirect
Jan. 8, 2024	MPC	Employee Stock Option (right to buy)→ Common Stock (10,879)	10,879	Direct
Jan. 8, 2024	MPC	Employee Stock Option (right to buy)→ Common Stock (17,196)	17,196	Direct
Jan. 8, 2024	MPLX	Common Units (Limited Partner Interests)	28,412	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MPC

Chief Legal Officer and Corporate Secretary

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2024	$650,000	—	$2,077,884	—	$914,600	$167,578	$101,554	$3,911,616

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.